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authorChao Yu <chao2.yu@samsung.com>2014-06-24 10:34:00 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2014-07-09 05:58:50 -0700
commit90d72459ccb47335a4348947506fd091e63f7cf8 (patch)
tree1e417ae3338451d1849b4fe424983777e4127f3a /fs/f2fs
parentd6b7d4b31dfd5a454a71c445b8086bc098237334 (diff)
downloadop-kernel-dev-90d72459ccb47335a4348947506fd091e63f7cf8.zip
op-kernel-dev-90d72459ccb47335a4348947506fd091e63f7cf8.tar.gz
f2fs: fix error path in init_inode_metadata
If we fail in this path: ->init_inode_metadata ->make_empty_dir ->get_new_data_page ->grab_cache_page return -ENOMEM We will bug on in error path of init_inode_metadata when call remove_inode_page because i_block = 2 (one inode block will be released later & one dentry block). We should release the dentry block in init_inode_metadata to avoid this BUG_ON, and avoid leak of dentry block resource, because we never have second chance to release that block in ->evict_inode as in upper error path we make this inode 'bad'. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 966acb0..a4addd7 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -376,11 +376,11 @@ static struct page *init_inode_metadata(struct inode *inode,
put_error:
f2fs_put_page(page, 1);
+error:
/* once the failed inode becomes a bad inode, i_mode is S_IFREG */
truncate_inode_pages(&inode->i_data, 0);
truncate_blocks(inode, 0);
remove_dirty_dir_inode(inode);
-error:
remove_inode_page(inode);
return ERR_PTR(err);
}
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