[PATCH] pstore: add vmalloc error check

From	Geliang Tang <geliangtang@163.com>
Newsgroups	linux.kernel
Subject	[PATCH] pstore: add vmalloc error check
Date	2015-10-13 11:40 +0200
Message-ID	<qj4dQ-2vA-19@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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If vmalloc is failed, return -ENOMEM.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 fs/pstore/pmsg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/pstore/pmsg.c b/fs/pstore/pmsg.c
index feb5dd2..5a2f05a 100644
--- a/fs/pstore/pmsg.c
+++ b/fs/pstore/pmsg.c
@@ -37,6 +37,8 @@ static ssize_t write_pmsg(struct file *file, const char __user *buf,
 	if (buffer_size > PMSG_MAX_BOUNCE_BUFFER_SIZE)
 		buffer_size = PMSG_MAX_BOUNCE_BUFFER_SIZE;
 	buffer = vmalloc(buffer_size);
+	if (!buffer)
+		return -ENOMEM;
 
 	mutex_lock(&pmsg_lock);
 	for (i = 0; i < count; ) {
-- 
1.9.1


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[PATCH] pstore: add vmalloc error check Geliang Tang <geliangtang@163.com> - 2015-10-13 11:40 +0200
  Re: [PATCH] pstore: add vmalloc error check Kees Cook <keescook@chromium.org> - 2015-10-13 22:20 +0200

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