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udf: remove redundant tests on unsigned

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first_block and goal are unsigned. When negative they are wrapped and caught by
the other test.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Roel Kluin 2009-06-22 23:12:29 +02:00 committed by Jan Kara
parent 24a5d59f34
commit 3391faa4f1
1 changed files with 4 additions and 5 deletions
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9
fs/udf/balloc.c
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@ -238,7 +238,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex);
part_len = sbi->s_partmaps[partition].s_partition_len;
if (first_block < 0 || first_block >= part_len)
if (first_block >= part_len)
goto out;
if (first_block + block_count > part_len)
@ -297,7 +297,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex);
repeat:
if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len)
if (goal >= sbi->s_partmaps[partition].s_partition_len)
goal = 0;
nr_groups = bitmap->s_nr_groups;
@ -666,8 +666,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
int8_t etype = -1;
struct udf_inode_info *iinfo;
if (first_block < 0 ||
first_block >= sbi->s_partmaps[partition].s_partition_len)
if (first_block >= sbi->s_partmaps[partition].s_partition_len)
return 0;
iinfo = UDF_I(table);
@ -743,7 +742,7 @@ static int udf_table_new_block(struct super_block *sb,
return newblock;
mutex_lock(&sbi->s_alloc_mutex);
if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len)
if (goal >= sbi->s_partmaps[partition].s_partition_len)
goal = 0;
/* We search for the closest matching block to goal. If we find