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Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index eb1dd4f024f2..e57019cc3601 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5913,7 +5913,7 @@ void ext4_ext_replay_shrink_inode(struct inode *inode, ext4_lblk_t end)
}
/* Check if *cur is a hole and if it is, skip it */
-static void skip_hole(struct inode *inode, ext4_lblk_t *cur)
+static int skip_hole(struct inode *inode, ext4_lblk_t *cur)
{
int ret;
struct ext4_map_blocks map;
@@ -5922,9 +5922,12 @@ static void skip_hole(struct inode *inode, ext4_lblk_t *cur)
map.m_len = ((inode->i_size) >> inode->i_sb->s_blocksize_bits) - *cur;
ret = ext4_map_blocks(NULL, inode, &map, 0);
+ if (ret < 0)
+ return ret;
if (ret != 0)
- return;
+ return 0;
*cur = *cur + map.m_len;
+ return 0;
}
/* Count number of blocks used by this inode and update i_blocks */
@@ -5973,7 +5976,9 @@ int ext4_ext_replay_set_iblocks(struct inode *inode)
* iblocks by total number of differences found.
*/
cur = 0;
- skip_hole(inode, &cur);
+ ret = skip_hole(inode, &cur);
+ if (ret < 0)
+ goto out;
path = ext4_find_extent(inode, cur, NULL, 0);
if (IS_ERR(path))
goto out;
@@ -5992,8 +5997,12 @@ int ext4_ext_replay_set_iblocks(struct inode *inode)
}
cur = max(cur + 1, le32_to_cpu(ex->ee_block) +
ext4_ext_get_actual_len(ex));
- skip_hole(inode, &cur);
-
+ ret = skip_hole(inode, &cur);
+ if (ret < 0) {
+ ext4_ext_drop_refs(path);
+ kfree(path);
+ break;
+ }
path2 = ext4_find_extent(inode, cur, NULL, 0);
if (IS_ERR(path2)) {
ext4_ext_drop_refs(path);