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hpfs: kstrdup() out of memory handling

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There is a possibility of nothing being allocated to the new_opts in
case of memory pressure, therefore return ENOMEM for such case.

Signed-off-by: Sanidhya Kashyap <[email protected]>
Signed-off-by: Mikulas Patocka <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Sanidhya Kashyap
2015-07-09 13:35:31 -07:00
committed by Linus Torvalds
parent d7b04097c2
commit ce657611ba
1 changed files with 5 additions and 2 deletions
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fs/hpfs/super.c
+5 -2
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@@ -451,11 +451,14 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
int o;
struct hpfs_sb_info *sbi = hpfs_sb(s);
char *new_opts = kstrdup(data, GFP_KERNEL);
if (!new_opts)
return -ENOMEM;
sync_filesystem(s);
*flags |= MS_NOATIME;
hpfs_lock(s);
uid = sbi->sb_uid; gid = sbi->sb_gid;
umask = 0777 & ~sbi->sb_mode;