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hpsa: check for null arguments to dev_printk 

Check for NULLs.

Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Don Brace 2015-11-04 15:50:25 -06:00 committed by Martin K. Petersen
parent 3ad7de6b7d
commit 9975ec9dbe
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/hpsa.c
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@ -1138,6 +1138,9 @@ static int hpsa_find_target_lun(struct ctlr_info *h,
static inline void hpsa_show_dev_msg(const char *level, struct ctlr_info *h,
struct hpsa_scsi_dev_t *dev, char *description)
{
if (h == NULL || h->pdev == NULL || h->scsi_host == NULL)
return;
dev_printk(level, &h->pdev->dev,
"scsi %d:%d:%d:%d: %s %s %.8s %.16s RAID-%s SSDSmartPathCap%c En%c Exp=%d\n",
h->scsi_host->host_no, dev->bus, dev->target, dev->lun,