Message ID | 1415313426-9622-154-git-send-email-kamal@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 158ddf6..a8d1a64 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -864,6 +864,10 @@ got: struct buffer_head *block_bitmap_bh; block_bitmap_bh = ext4_read_block_bitmap(sb, group); + if (!block_bitmap_bh) { + err = -EIO; + goto out; + } BUFFER_TRACE(block_bitmap_bh, "get block bitmap access"); err = ext4_journal_get_write_access(handle, block_bitmap_bh); if (err) {