Commit 0e24465d authored by Huang Shijie's avatar Huang Shijie Committed by Linus Torvalds

lib/genalloc.c: change return type to unsigned long for bitmap_set_ll

Just as bitmap_clear_ll(), change return type to unsigned long
for bitmap_set_ll to avoid the possible overflow in future.

Link: https://lkml.kernel.org/r/20210105031644.2771-1-sjhuang@iluvatar.aiSigned-off-by: default avatarHuang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7b4693e6
......@@ -81,7 +81,8 @@ static int clear_bits_ll(unsigned long *addr, unsigned long mask_to_clear)
* users set the same bit, one user will return remain bits, otherwise
* return 0.
*/
static int bitmap_set_ll(unsigned long *map, unsigned long start, unsigned long nr)
static unsigned long
bitmap_set_ll(unsigned long *map, unsigned long start, unsigned long nr)
{
unsigned long *p = map + BIT_WORD(start);
const unsigned long size = start + nr;
......
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