| Message ID | 1311048137-16400-6-git-send-email-xiaoqiangnk@gmail.com |
|---|---|
| State | Accepted, archived |
| Headers | show |
On Tue, Jul 19, 2011 at 12:02:11PM +0800, Yongqiang Yang wrote: > If ext4_group_add_blocks() is called with 0 block, it just return 0. > > Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Thanks, added to the ext4 tree. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 48784eb..397e27c 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4680,6 +4680,9 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb, ext4_debug("Adding block(s) %llu-%llu\n", block, block + count - 1); + if (count == 0) + return 0; + ext4_get_group_no_and_offset(sb, block, &block_group, &bit); /* * Check to see if we are freeing blocks across a group
If ext4_group_add_blocks() is called with 0 block, it just return 0. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> --- fs/ext4/mballoc.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) v1->v2: nothing changed.