This is a note to let you know that I've just added the patch titled scsi: qla2xxx: Always check the return value of qla24xx_get_isp_stats() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scsi-qla2xxx-always-check-the-return-value-of-qla24x.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit a53ca11fd6b55687ab05a5ad9e3876d3ac515508 Author: Bart Van Assche <bvanassche@xxxxxxx> Date: Sat Mar 20 16:23:58 2021 -0700 scsi: qla2xxx: Always check the return value of qla24xx_get_isp_stats() [ Upstream commit a2b2cc660822cae08c351c7f6b452bfd1330a4f7 ] This patch fixes the following Coverity warning: CID 361199 (#1 of 1): Unchecked return value (CHECKED_RETURN) 3. check_return: Calling qla24xx_get_isp_stats without checking return value (as is done elsewhere 4 out of 5 times). Link: https://lore.kernel.org/r/20210320232359.941-7-bvanassche@xxxxxxx Cc: Quinn Tran <qutran@xxxxxxxxxxx> Cc: Mike Christie <michael.christie@xxxxxxxxxx> Cc: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> Cc: Daniel Wagner <dwagner@xxxxxxx> Cc: Lee Duncan <lduncan@xxxxxxxx> Reviewed-by: Daniel Wagner <dwagner@xxxxxxx> Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index ab45ac1e5a72..6a2c4a6fcded 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -2855,6 +2855,8 @@ qla2x00_reset_host_stats(struct Scsi_Host *shost) vha->qla_stats.jiffies_at_last_reset = get_jiffies_64(); if (IS_FWI2_CAPABLE(ha)) { + int rval; + stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma, GFP_KERNEL); if (!stats) { @@ -2864,7 +2866,11 @@ qla2x00_reset_host_stats(struct Scsi_Host *shost) } /* reset firmware statistics */ - qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0); + rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0); + if (rval != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x70de, + "Resetting ISP statistics failed: rval = %d\n", + rval); dma_free_coherent(&ha->pdev->dev, sizeof(*stats), stats, stats_dma);