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pstore: pmsg: return -ENOMEM on vmalloc failure

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Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 23385441
Change-Id: I294cb72c25bddafbba4e64fdb0a18ae46655a05d
(cherry picked from commit 62bb84973c1d55a4cc35cc4d95cb723ce0aa2c0b)
This commit is contained in:
Mark Salyzyn
2015-08-20 14:21:34 -07:00
committed by Huang, Tao
parent 63dbcf66cd
commit 9f55a4566d
1 changed files with 2 additions and 0 deletions
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2
fs/pstore/pmsg.c
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@@ -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; ) {