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authorRoel Kluin <roel.kluin@gmail.com>2009-06-17 19:26:28 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 16:03:46 -0400
commit37044c86baf8cb894c69bb811e35a7f6f6dbce1c (patch)
tree4c84e5a74c14119604f5e407f1af4418377e02f5 /fs/ufs
parent5404ac8e4418ab3d254950ee4f9bcafc1da20b4a (diff)
ufs: sector_t cannot be negative
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>
Diffstat (limited to 'fs/ufs')
-rw-r--r--fs/ufs/inode.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 3d2512c21f05..7cf33379fd46 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -56,9 +56,7 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t off
56 56
57 57
58 UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks); 58 UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks);
59 if (i_block < 0) { 59 if (i_block < direct_blocks) {
60 ufs_warning(inode->i_sb, "ufs_block_to_path", "block < 0");
61 } else if (i_block < direct_blocks) {
62 offsets[n++] = i_block; 60 offsets[n++] = i_block;
63 } else if ((i_block -= direct_blocks) < indirect_blocks) { 61 } else if ((i_block -= direct_blocks) < indirect_blocks) {
64 offsets[n++] = UFS_IND_BLOCK; 62 offsets[n++] = UFS_IND_BLOCK;
@@ -440,8 +438,6 @@ int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head
440 lock_kernel(); 438 lock_kernel();
441 439
442 UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment); 440 UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
443 if (fragment < 0)
444 goto abort_negative;
445 if (fragment > 441 if (fragment >
446 ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb) 442 ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb)
447 << uspi->s_fpbshift)) 443 << uspi->s_fpbshift))
@@ -504,10 +500,6 @@ abort:
504 unlock_kernel(); 500 unlock_kernel();
505 return err; 501 return err;
506 502
507abort_negative:
508 ufs_warning(sb, "ufs_get_block", "block < 0");
509 goto abort;
510
511abort_too_big: 503abort_too_big:
512 ufs_warning(sb, "ufs_get_block", "block > big"); 504 ufs_warning(sb, "ufs_get_block", "block > big");
513 goto abort; 505 goto abort;