From: Libo Chen <clbchenlibo.chen@huawei.com>
To: <megaraidlinux@lsi.com>, <JBottomley@parallels.com>
Cc: <linux-scsi@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
<kashyap.desai@lsi.com>, <aradford@gmail.com>,
Li Zefan <lizefan@huawei.com>
Subject: [PATCH] scsi: megaraid: check kzalloc
Date: Fri, 24 May 2013 10:22:41 +0800 [thread overview]
Message-ID: <519ECEF1.9060804@huawei.com> (raw)
we should check kzalloc, avoid to hit oops
Signed-off-by: Libo Chen <libo.chen@huawei.com>
---
drivers/scsi/megaraid.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 846f475..195b095 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4162,6 +4162,10 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)
sdev = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
scmd->device = sdev;
+ if (!scmd->device) {
+ scsi_free_command(GFP_KERNEL, scmd);
+ return -ENOMEM;
+ }
memset(adapter->int_cdb, 0, sizeof(adapter->int_cdb));
scmd->cmnd = adapter->int_cdb;
--
1.7.1
next reply other threads:[~2013-05-24 2:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-24 2:22 Libo Chen [this message]
2013-05-24 3:20 ` [PATCH] scsi: megaraid: check kzalloc Santosh Y
2013-05-24 9:30 ` Libo Chen
2013-05-24 9:40 ` [PATCH RESEND] " Libo Chen
2013-05-29 15:03 ` Tomas Henzl
2013-05-30 1:38 ` Libo Chen
2013-05-30 2:32 ` Libo Chen
2013-05-30 10:54 ` Tomas Henzl
2013-05-29 15:12 ` Tomas Henzl
2013-06-04 9:33 ` [PATCH v2] " Libo Chen
2013-06-04 12:14 ` Tomas Henzl
2013-06-05 1:27 ` Libo Chen
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