[PATCH] scsi: qla1280: Fix memory leak when open DUMP_IT_BACK

From: Ding Xiang
Date: Thu Aug 23 2018 - 04:16:41 EST


If open DUMP_IT_BACK and unfortunately fw is error, memory leak
will happen.

Signed-off-by: Ding Xiang <dingxiang@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/qla1280.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 390775d..abdcf70 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -1756,8 +1756,12 @@ static void qla1280_mailbox_timeout(struct timer_list *t)
#endif

fw = qla1280_request_firmware(ha);
- if (IS_ERR(fw))
+ if (IS_ERR(fw)) {
+#if DUMP_IT_BACK
+ pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf);
+#endif
return PTR_ERR(fw);
+ }

fw_data = (const __le16 *)&fw->data[0];
ha->fwstart = __le16_to_cpu(fw_data[2]);
--
1.8.3.1