Messages in this thread Patch in this message | | | From | Andrzej Hajda <> | Subject | [PATCH 33/38] mm/memblock.c: remove invalid check | Date | Mon, 21 Sep 2015 15:34:05 +0200 |
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Unsigned value cannot be lesser than zero.
The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> --- mm/memblock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memblock.c b/mm/memblock.c index d300f13..aeb5148 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -837,7 +837,7 @@ void __init_memblock __next_reserved_mem_region(u64 *idx, { struct memblock_type *type = &memblock.reserved; - if (*idx >= 0 && *idx < type->cnt) { + if (*idx < type->cnt) { struct memblock_region *r = &type->regions[*idx]; phys_addr_t base = r->base; phys_addr_t size = r->size; -- 1.9.1
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