* [PATCH] affs: kstrdup() memory handling
@ 2015-03-21 16:46 Sanidhya Kashyap
0 siblings, 0 replies; only message in thread
From: Sanidhya Kashyap @ 2015-03-21 16:46 UTC (permalink / raw)
To: akpm, fabf, linux-fsdevel, linux-kernel
Cc: taesoo, changwoo, sanidhya, blee, csong84, Sanidhya Kashyap
There is a possibility of kstrdup() failure upon memory pressure.
Therefore, returning ENOMEM even for new_opts.
Signed-off-by: Sanidhya Kashyap <sanidhya.gatech@gmail.com>
---
fs/affs/super.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 4cf0e91..f4d0d36 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -524,6 +524,10 @@ affs_remount(struct super_block *sb, int *flags, char *data)
char volume[32];
char *prefix = NULL;
+
+ if (!new_opts)
+ return -ENOMEM;
+
pr_debug("%s(flags=0x%x,opts=\"%s\")\n", __func__, *flags, data);
sync_filesystem(sb);
--
2.1.0
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