From: Johannes Berg johannes.berg@intel.com
stable inclusion from stable-v6.6.9 commit 1caf92e77c0007b230daaf89d80ba98f811f0b3d category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8SU2D
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit a4754182dc936b97ec7e9f6b08cdf7ed97ef9069 ]
Evidently I had only looked at all the ones in rx.c, and missed this. Add bh-disable to this use of the rxq->lock as well.
Fixes: 25edc8f259c7 ("iwlwifi: pcie: properly implement NAPI") Reported-by: Brian Norris briannorris@chromium.org Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Miri Korenblit miriam.rachel.korenblit@intel.com Link: https://msgid.link/20231208183100.e79ad3dae649.I8f19713c4383707f8be7fc20ff5c... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 583d1011963e..2e23ccd7d793 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -3088,7 +3088,7 @@ static u32 iwl_trans_pcie_dump_rbs(struct iwl_trans *trans, struct iwl_rxq *rxq = &trans_pcie->rxq[0]; u32 i, r, j, rb_len = 0;
- spin_lock(&rxq->lock); + spin_lock_bh(&rxq->lock);
r = le16_to_cpu(iwl_get_closed_rb_stts(trans, rxq)) & 0x0FFF;
@@ -3112,7 +3112,7 @@ static u32 iwl_trans_pcie_dump_rbs(struct iwl_trans *trans, *data = iwl_fw_error_next_data(*data); }
- spin_unlock(&rxq->lock); + spin_unlock_bh(&rxq->lock);
return rb_len; }