linux-kernel - [PATCH] Little memset

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Date:   Sat, 24 Nov 2018 15:35:05 +0000
From:   David CARLIER <devnexen@...il.com>
To:     linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        aryabinin@...tuozzo.com, gregkh@...uxfoundation.org,
        andriy.shevchenko@...ux.intel.com
Subject: [PATCH] Little memset_explicit optimisation

Subject: [PATCH] memzero_explicit, optimisation for size.


Using the return value of memset for save/load sake.


Signed-off-by: David Carlier <devnexen@...il.com>

---

 lib/string.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)


diff --git a/lib/string.c b/lib/string.c

index 38e4ca08e757..92da04a0213b 100644

--- a/lib/string.c

+++ b/lib/string.c

@@ -720,7 +720,7 @@ EXPORT_SYMBOL(memset);

  */

 void memzero_explicit(void *s, size_t count)

 {

- memset(s, 0, count);

+ s = memset(s, 0, count);

  barrier_data(s);

 }

 EXPORT_SYMBOL(memzero_explicit);

-- 

2.19.1