Re: [PATCH] scsi: qedf: Fix potential null pointer dereference

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On 2024/9/13 11:36, Liao Chen wrote:
qedf is checked to be null in this if branch, accessing its member will
cause a null pointer dereference. Fix it by passing a direct NULL into
the error function.

Fixes: 51071f0831ea ("scsi: qedf: Don't process stag work during unload and recovery")
Signed-off-by: Liao Chen <liaochen4@xxxxxxxxxx>
---
  drivers/scsi/qedf/qedf_main.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 4813087e58a1..9d4738db0e51 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -4021,7 +4021,7 @@ void qedf_stag_change_work(struct work_struct *work)
  	    container_of(work, struct qedf_ctx, stag_work.work);
if (!qedf) {
-		QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL");
+		QEDF_ERR(NULL, "qedf is NULL");
  		return;
  	}
gentle ping

Thanks,
Chen




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