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bio: change some signed vars to unsigned

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This is just a cleanup patch to silence a static checker warning.

The problem is that we cap "nr_iovecs" so it can't be larger than
"UIO_MAXIOV" but we don't check for negative values.  It turns out this is
prevented at other layers, but logically it doesn't make sense to have
negative nr_iovecs so making it unsigned is nicer.

Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Dan Carpenter 2011-11-16 09:21:50 +01:00 • committed by Jens Axboe
commit 121f099412
2 changed files with 6 additions and 5 deletions
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7
fs/bio.c
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@ -337,7 +337,7 @@ static void bio_fs_destructor(struct bio *bio)
* RETURNS:
* Pointer to new bio on success, NULL on failure.
*/
struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs)
struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)
{
struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
@ -365,7 +365,7 @@ static void bio_kmalloc_destructor(struct bio *bio)
* %__GFP_WAIT, the allocation is guaranteed to succeed.
*
**/
struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs)
struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs)
{
struct bio *bio;
@ -696,7 +696,8 @@ static void bio_free_map_data(struct bio_map_data *bmd)
kfree(bmd);
}
static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count,
static struct bio_map_data *bio_alloc_map_data(int nr_segs,
unsigned int iov_count,
gfp_t gfp_mask)
{
struct bio_map_data *bmd;