| Submitter | Wang shilong |
|---|---|
| Date | Jan. 26, 2011, 10:48 p.m. |
| Message ID | <4D40A4B7.6050501@gmail.com> |
| Download | mbox | patch |
| Permalink | /patch/215889/ |
| State | New |
| Headers | show |
Comments
On 2011-01-26, at 15:48, Wang Shilong <wangshilong1991@gmail.com> wrote: > From: Wang Shilong <wangsl-fnst@cn.fujitsu.com> > > Because 'block + count < block' always comes to false, it is useless > to have this check, just remove it. This check can be true if the sum overflows the 32-bit variable it is stored in, so it is not useless... Cheers, Andreas > Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com> > --- > fs/ext3/balloc.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c > index 22548f5..c557f22 100644 > --- a/fs/ext3/balloc.c > +++ b/fs/ext3/balloc.c > @@ -507,7 +507,6 @@ void ext3_free_blocks_sb(handle_t *handle, struct super_block *sb, > sbi = EXT3_SB(sb); > es = sbi->s_es; > if (block < le32_to_cpu(es->s_first_data_block) || > - block + count < block || > block + count > le32_to_cpu(es->s_blocks_count)) { > ext3_error (sb, "ext3_free_blocks", > "Freeing blocks not in datazone - " > -- 1.7.11.7 > > -- > 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 -- 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
Patch
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c index 22548f5..c557f22 100644 --- a/fs/ext3/balloc.c +++ b/fs/ext3/balloc.c @@ -507,7 +507,6 @@ void ext3_free_blocks_sb(handle_t *handle, struct super_block *sb, sbi = EXT3_SB(sb); es = sbi->s_es; if (block < le32_to_cpu(es->s_first_data_block) || - block + count < block || block + count > le32_to_cpu(es->s_blocks_count)) { ext3_error (sb, "ext3_free_blocks", "Freeing blocks not in datazone - "