From 97fcbd68437b163707aaaafdd440c07ee3821bc8 Mon Sep 17 00:00:00 2001 From: Miao Xie Date: Wed, 19 Sep 2012 22:14:29 -0600 Subject: [PATCH] Btrfs: fix memory leak in start_transaction() This patch fixes memory leak of the transaction handle which happened when starting transaction failed on a freezed fs. Signed-off-by: Miao Xie --- fs/btrfs/transaction.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 910ff8051ba9..35489644c247 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -351,8 +351,10 @@ again: */ if (type != TRANS_JOIN_NOLOCK && !__sb_start_write(root->fs_info->sb, SB_FREEZE_FS, false)) { - if (type == TRANS_JOIN_FREEZE) + if (type == TRANS_JOIN_FREEZE) { + kmem_cache_free(btrfs_trans_handle_cachep, h); return ERR_PTR(-EPERM); + } sb_start_intwrite(root->fs_info->sb); } -- 2.39.5