pstore: pmsg: return -ENOMEM on vmalloc failure

From	Mark Salyzyn <salyzyn@android.com>
Newsgroups	linux.kernel
Subject	pstore: pmsg: return -ENOMEM on vmalloc failure
Date	2015-08-20 23:30 +0200
Message-ID	<pZFzk-7l-11@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Signed-off-by: Mark Salyzyn <salyzyn@android.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; ) {
-- 
2.5.0.276.gf5e568e

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pstore: pmsg: return -ENOMEM on vmalloc failure Mark Salyzyn <salyzyn@android.com> - 2015-08-20 23:30 +0200
  Re: pstore: pmsg: return -ENOMEM on vmalloc failure Kees Cook <keescook@chromium.org> - 2015-08-20 23:40 +0200

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