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scsi: qla2xxx: Check kzalloc() return value 

Instead of crashing if kzalloc() fails, make qla2x00_get_host_stats()
return -ENOMEM.

Link: https://lore.kernel.org/r/20210320232359.941-8-bvanassche@acm.org
Fixes: dbf1f53cfd ("scsi: qla2xxx: Implementation to get and manage host, target stats and initiator port")
Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
Cc: Saurav Kashyap <skashyap@marvell.com>
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Daniel Wagner <dwagner@suse.de>
Cc: Lee Duncan <lduncan@suse.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Acked-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2021-03-20 16:23:59 -07:00 committed by Martin K. Petersen
parent a2b2cc6608
commit e5406d8ad4
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/qla2xxx/qla_bsg.c
View File

@ -2583,6 +2583,10 @@ qla2x00_get_host_stats(struct bsg_job *bsg_job)
}
data = kzalloc(response_len, GFP_KERNEL);
if (!data) {
kfree(req_data);
return -ENOMEM;
}
ret = qla2xxx_get_ini_stats(fc_bsg_to_shost(bsg_job), req_data->stat_type,
data, response_len);