Messages in this thread Patch in this message | | | Date | Mon, 22 May 2017 13:00:29 -0500 | From | "Gustavo A. R. Silva" <> | Subject | [PATCH] scsi: hisi_sas: add null check before indirect pointer dereference |
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Add null check before indirectly dereferencing pointer task->lldd_task in statement u32 tag = slot->idx;
Addresses-Coverity-ID: 1373843 Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> --- drivers/scsi/hisi_sas/hisi_sas_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index d622db5..f720d3c 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -963,7 +963,7 @@ static int hisi_sas_abort_task(struct sas_task *task) HISI_SAS_INT_ABT_DEV, 0); rc = hisi_sas_softreset_ata_disk(device); } - } else if (task->task_proto & SAS_PROTOCOL_SMP) { + } else if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SMP) { /* SMP */ struct hisi_sas_slot *slot = task->lldd_task; u32 tag = slot->idx; -- 2.5.0
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