From: Tiejun Chen <tiejun.chen@windriver.com>
To: <catalin.marinas@arm.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 1/1] kmemleak: only scan non-zero-size section
Date: Wed, 11 Jan 2012 13:51:10 +0800 [thread overview]
Message-ID: <1326261070-24427-1-git-send-email-tiejun.chen@windriver.com> (raw)
We should only scan that invalid section which size is not
zero as well.
Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
---
change for v2
* go a common point, kmemleak_scan_area(), to check size
mm/kmemleak.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 2c0d032..98d62e3 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -923,7 +923,7 @@ void __ref kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
{
pr_debug("%s(0x%p)\n", __func__, ptr);
- if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr))
+ if (atomic_read(&kmemleak_enabled) && ptr && size && !IS_ERR(ptr))
add_scan_area((unsigned long)ptr, size, gfp);
else if (atomic_read(&kmemleak_early_log))
log_early(KMEMLEAK_SCAN_AREA, ptr, size, 0);
--
1.6.0.4
next reply other threads:[~2012-01-11 8:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 5:51 Tiejun Chen [this message]
2012-01-11 9:20 ` Catalin Marinas
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