From e705f4b8aa27a59f8933e8f384e9752f052c469c Mon Sep 17 00:00:00 2001 From: Chengguang Xu Date: Tue, 5 Nov 2019 12:51:00 +0800 Subject: [PATCH] ext2: check err when partial != NULL Check err when partial == NULL is meaningless because partial == NULL means getting branch successfully without error. CC: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191105045100.7104-1-cgxu519@mykernel.net Signed-off-by: Chengguang Xu Signed-off-by: Jan Kara --- fs/ext2/inode.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 7004ce581a32..a16c53655e77 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -701,10 +701,13 @@ static int ext2_get_blocks(struct inode *inode, if (!partial) { count++; mutex_unlock(&ei->truncate_mutex); - if (err) - goto cleanup; goto got_it; } + + if (err) { + mutex_unlock(&ei->truncate_mutex); + goto cleanup; + } } /*