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ufs: sector_t cannot be negative

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unsigned i_block,fragment cannot be negative.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin 2009-06-17 16:26:28 -07:00 committed by Linus Torvalds
parent 5404ac8e44
commit 37044c86ba
1 changed files with 1 additions and 9 deletions
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10
fs/ufs/inode.c
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@ -56,9 +56,7 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t off
UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks); UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks);
if (i_block < 0) { if (i_block < direct_blocks) {
ufs_warning(inode->i_sb, "ufs_block_to_path", "block < 0");
} else if (i_block < direct_blocks) {
offsets[n++] = i_block; offsets[n++] = i_block;
} else if ((i_block -= direct_blocks) < indirect_blocks) { } else if ((i_block -= direct_blocks) < indirect_blocks) {
offsets[n++] = UFS_IND_BLOCK; offsets[n++] = UFS_IND_BLOCK;
@ -440,8 +438,6 @@ int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head
lock_kernel(); lock_kernel();
UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment); UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
if (fragment < 0)
goto abort_negative;
if (fragment > if (fragment >
((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb) ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb)
<< uspi->s_fpbshift)) << uspi->s_fpbshift))
@ -504,10 +500,6 @@ abort:
unlock_kernel(); unlock_kernel();
return err; return err;
abort_negative:
ufs_warning(sb, "ufs_get_block", "block < 0");
goto abort;
abort_too_big: abort_too_big:
ufs_warning(sb, "ufs_get_block", "block > big"); ufs_warning(sb, "ufs_get_block", "block > big");
goto abort; goto abort;