tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 75c81bcddd82381fbd4cef477a5b56eb2fe56697 commit: 4b4aa2fdd905bb63f965668452f1d1986555e1a3 [1834/1834] Huawei BMA: Adding Huawei BMA driver: cdev_veth_drv config: x86_64-randconfig-121-20250122 (https://download.01.org/0day-ci/archive/20250122/202501221622.ZyAVvHaC-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250122/202501221622.ZyAVvHaC-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202501221622.ZyAVvHaC-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1741:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1750:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1764:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1812:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1816:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1832:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1838:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1842:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1849:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:56:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __poll_t ( *poll )( ... ) @@ got unsigned int ( * )( ... ) @@ drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:56:17: sparse: expected restricted __poll_t ( *poll )( ... ) drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:56:17: sparse: got unsigned int ( * )( ... ) drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:52:30: sparse: sparse: symbol 'g_eth_edma_cdev_fops' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:68:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:71:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:75:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:61:6: sparse: sparse: symbol 'dump_global_info' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:112:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:99:6: sparse: sparse: symbol 'edma_veth_free_tx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:115:6: sparse: sparse: symbol 'edma_veth_free_all_tx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:133:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:124:5: sparse: sparse: symbol 'edma_veth_setup_tx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:158:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:148:5: sparse: sparse: symbol 'edma_veth_setup_all_tx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:201:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:192:5: sparse: sparse: symbol 'edma_veth_setup_rx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:226:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:216:5: sparse: sparse: symbol 'edma_veth_setup_all_rx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:273:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:259:6: sparse: sparse: symbol 'edma_veth_free_rx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:276:6: sparse: sparse: symbol 'edma_veth_free_all_rx_resources' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:316:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:322:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:334:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:346:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:352:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:364:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:285:5: sparse: sparse: symbol 'edma_veth_setup_all_rxtx_queue' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:381:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:385:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:390:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:394:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:369:6: sparse: sparse: symbol 'edma_veth_dump' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:398:5: sparse: sparse: symbol 'edma_veth_setup_resource' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:424:5: sparse: sparse: symbol 'edma_veth_free_rxtx_queue' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:466:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:469:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:472:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:463:6: sparse: sparse: symbol 'edma_veth_free_resource' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:484:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:492:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:500:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:506:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:525:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:475:5: sparse: sparse: symbol 'edma_veth_send_one_pkt' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:577:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:608:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:615:33: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:631:33: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:647:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:652:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:661:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:673:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:684:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:716:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:722:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:740:33: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:745:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:746:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:754:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:764:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:772:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:787:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:833:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:840:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:843:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:858:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:875:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:801:5: sparse: sparse: symbol 'edma_veth_recv_pkt' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:883:6: sparse: sparse: symbol 'edma_task_do_packet_recv' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:916:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:923:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:908:5: sparse: sparse: symbol '__dmacmp_err_deal_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:941:5: sparse: sparse: symbol 'edma_veth_check_dma_status' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1005:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1008:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1023:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1026:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:962:5: sparse: sparse: symbol '__check_dmacmp_H_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1059:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1078:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1096:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1042:5: sparse: sparse: symbol '__checkspace_H_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1147:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1167:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1116:5: sparse: sparse: symbol '__make_dmalistbd_h2b_H_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1227:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1249:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1198:5: sparse: sparse: symbol '__make_dmalistbd_b2h_H_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1289:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1309:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1278:5: sparse: sparse: symbol '__start_dmalist_H_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1322:5: sparse: sparse: symbol 'check_dma_queue_fault_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1361:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1367:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1376:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1383:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1352:5: sparse: sparse: symbol '__dma_rxtx_H_2' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1424:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1425:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1439:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1440:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1419:6: sparse: sparse: symbol 'edma_task_do_data_transmit' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1456:5: sparse: sparse: symbol 'edma_tasklet_setup' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1504:6: sparse: sparse: symbol 'edma_tasklet_free' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1554:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1577:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1588:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1598:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1612:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1619:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1645:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1680:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1693:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1720:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1725:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1405:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:1405:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c:94:26: sparse: sparse: cast removes address space '__iomem' of expression
vim +1741 drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c 1736 1737 int cdev_open(struct inode *inode_ptr, struct file *filp) 1738 { 1739 struct cdev_dev_s *dev = &g_eth_edmaprivate.cdev; 1740
1741 LOG(DLOG_DEBUG, "Open device."); 1742 1743 if (!inode_ptr || !filp) 1744 return -EFAULT; 1745 1746 /* only one instance is allowed. */ 1747 if (IS_CDEV_IN_OPEN_STATE()) 1748 return -EBUSY; 1749 1750 LOG(DLOG_DEBUG, "Init flag, rx: %d, tx:%d", 1751 g_eth_edmaprivate.prx_queue->pshmqhd_v->init, 1752 g_eth_edmaprivate.ptx_queue->pshmqhd_v->init); 1753 1754 /* save to private data. */ 1755 filp->private_data = dev; 1756 SET_CDEV_OPEN_STATE(CDEV_OPENED); 1757 g_read_pos = 0; 1758 1759 return 0; 1760 } 1761 1762 int cdev_release(struct inode *inode_ptr, struct file *filp) 1763 { 1764 LOG(DLOG_DEBUG, "Close device."); 1765 1766 if (!filp) 1767 return 0; 1768 1769 filp->private_data = NULL; 1770 1771 SET_CDEV_OPEN_STATE(CDEV_CLOSED); 1772 1773 return 0; 1774 } 1775 1776 unsigned int cdev_poll(struct file *filp, poll_table *wait) 1777 { 1778 unsigned int mask = 0; 1779 wait_queue_head_t *queue_head = NULL; 1780 1781 if (!filp) 1782 return 0; 1783 1784 edma_veth_dump(); 1785 1786 queue_head = (wait_queue_head_t *) 1787 bma_cdev_get_wait_queue(GET_PRIVATE_DATA(filp)); 1788 if (!queue_head) 1789 return 0; 1790 1791 /* check or add to wait queue. */ 1792 poll_wait(filp, queue_head, wait); 1793 1794 if (!edma_is_queue_ready(g_eth_edmaprivate.prx_queue)) 1795 return 0; 1796 1797 if (cdev_check_ring_recv() > 0) 1798 mask = (POLLIN | POLLRDNORM); 1799 1800 return mask; 1801 } 1802 1803 ssize_t cdev_read(struct file *filp, char __user *data, 1804 size_t count, loff_t *ppos) 1805 { 1806 struct edma_eth_dev_s *dev = &g_eth_edmaprivate; 1807 ssize_t length = 0; 1808 1809 if (!data || count >= MAX_PACKET_LEN) 1810 return -EFAULT; 1811 1812 LOG(DLOG_DEBUG, "read begin, count: %zu, pos: %u.", count, g_read_pos); 1813 1814 length = cdev_copy_packet_to_user(dev, data, count); 1815 1816 LOG(DLOG_DEBUG, "read done, length: %zd, pos: %u.", length, g_read_pos); 1817 1818 return length; 1819 } 1820
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki