[PATCH 1/2] kmemleak: Delete an error message for a failed memory allocation in two functions

From: SF Markus Elfring
Date: Mon Aug 14 2017 - 05:35:13 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 14 Aug 2017 10:50:22 +0200

Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
mm/kmemleak.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 7780cd83a495..c6c798d90b2e 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -555,7 +555,6 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size,

object = kmem_cache_alloc(object_cache, gfp_kmemleak_mask(gfp));
if (!object) {
- pr_warn("Cannot allocate a kmemleak_object structure\n");
kmemleak_disable();
return NULL;
}
@@ -775,10 +774,8 @@ static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp)
}

area = kmem_cache_alloc(scan_area_cache, gfp_kmemleak_mask(gfp));
- if (!area) {
- pr_warn("Cannot allocate a scan area\n");
+ if (!area)
goto out;
- }

spin_lock_irqsave(&object->lock, flags);
if (size == SIZE_MAX) {
--
2.14.0