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[PATCH] hw/scsi/megasas: check for NULL frame in megasas_command_cancell
From: |
Mauro Matteo Cascella |
Subject: |
[PATCH] hw/scsi/megasas: check for NULL frame in megasas_command_cancelled() |
Date: |
Thu, 24 Dec 2020 18:54:41 +0100 |
Ensure that 'cmd->frame' is not NULL before accessing the 'header' field.
This check prevents a potential NULL pointer dereference issue.
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1910346
Signed-off-by: Mauro Matteo Cascella <mcascell@redhat.com>
Reported-by: Cheolwoo Myung <cwmyung@snu.ac.kr>
---
hw/scsi/megasas.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 1a5fc5857d..77510e120c 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -1893,7 +1893,7 @@ static void megasas_command_cancelled(SCSIRequest *req)
{
MegasasCmd *cmd = req->hba_private;
- if (!cmd) {
+ if (!cmd || !cmd->frame) {
return;
}
cmd->frame->header.cmd_status = MFI_STAT_SCSI_IO_FAILED;
--
2.29.2
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