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Date: Sun, 28 Jun 2015 15:20:47 +0200 (CEST) From: Mikulas Patocka <mikulas@...bright.com> To: Linus Torvalds <torvalds@...ux-foundation.org> cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: [PATCH] hpfs: kstrdup() out of memory handling From: Sanidhya Kashyap <sanidhya.gatech@...il.com> Date: Sat, 21 Mar 2015 12:57:50 -0400 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 <sanidhya.gatech@...il.com> Signed-off-by: Mikulas Patocka <mikulas@...bright.com> Cc: stable@...r.kernel.org --- fs/hpfs/super.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) Index: linux-2.6/fs/hpfs/super.c =================================================================== --- linux-2.6.orig/fs/hpfs/super.c 2015-06-28 14:43:48.000000000 +0200 +++ linux-2.6/fs/hpfs/super.c 2015-06-28 14:45:11.000000000 +0200 @@ -459,11 +459,14 @@ static int hpfs_remount_fs(struct super_ 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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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