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path: root/drivers/scsi/lpfc/lpfc_debugfs.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_debugfs.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index bdf34af4ef36..7f9b221e7c34 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -2259,11 +2259,15 @@ lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file)
goto out;
}
spin_unlock_irq(&phba->hbalock);
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
+
+ if (check_mul_overflow(LPFC_RAS_MIN_BUFF_POST_SIZE,
+ phba->cfg_ras_fwlog_buffsize, &size))
+ goto out;
+
+ debug = kzalloc(sizeof(*debug), GFP_KERNEL);
if (!debug)
goto out;
- size = LPFC_RAS_MIN_BUFF_POST_SIZE * phba->cfg_ras_fwlog_buffsize;
debug->buffer = vmalloc(size);
if (!debug->buffer)
goto free_debug;