When vmalloc is failed, let write_pmsg return -ENOMEM.
Signed-off-by: Geliang Tang <geliangt...@163.com>
Acked-by: Kees Cook <keesc...@chromium.org>
---
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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