From: Zhen Lei thunder.leizhen@huawei.com
stable inclusion from linux-4.19.194 commit c953aee0d8a162d249dedaa47111e95dde0461cd
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[ Upstream commit d1ce2c79156d3baf0830990ab06d296477b93c26 ]
The error code returned from vfio_ext_cap_len() is stored in 'len', not in 'ret'.
Fixes: 89e1f7d4c66d ("vfio: Add PCI device driver") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zhen Lei thunder.leizhen@huawei.com Reviewed-by: Max Gurtovoy mgurtovoy@nvidia.com Message-Id: 20210515020458.6771-1-thunder.leizhen@huawei.com Signed-off-by: Alex Williamson alex.williamson@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/vfio/pci/vfio_pci_config.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 747c2e4835255..91085ffbc58b2 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -1574,7 +1574,7 @@ static int vfio_ecap_init(struct vfio_pci_device *vdev) if (len == 0xFF) { len = vfio_ext_cap_len(vdev, ecap, epos); if (len < 0) - return ret; + return len; } }