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authorBart Van Assche <[email protected]>2021-03-20 16:23:58 -0700
committerMartin K. Petersen <[email protected]>2021-03-24 21:47:21 -0400
commita2b2cc660822cae08c351c7f6b452bfd1330a4f7 (patch)
tree97383c31ea8a4a1d132f841560609753ed9e841c
parenta20821e3f4719458a888af634c10c286365ecd6f (diff)
scsi: qla2xxx: Always check the return value of qla24xx_get_isp_stats()
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/[email protected] Cc: Quinn Tran <[email protected]> Cc: Mike Christie <[email protected]> Cc: Himanshu Madhani <[email protected]> Cc: Daniel Wagner <[email protected]> Cc: Lee Duncan <[email protected]> Reviewed-by: Daniel Wagner <[email protected]> Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Bart Van Assche <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 63391c9be05d..3aa9869f6fae 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2864,6 +2864,8 @@ 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) {
@@ -2873,7 +2875,11 @@ 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);