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* [PATCH] Staging: speakup: Use kmemdup rather than duplicating its implementation
@ 2011-11-12 12:11 Thomas Meyer
  0 siblings, 0 replies; only message in thread
From: Thomas Meyer @ 2011-11-12 12:11 UTC (permalink / raw)
  To: Greg Kroah-Hartman, speakup, devel, linux-kernel

Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
---

diff -u -p a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c
--- a/drivers/staging/speakup/kobjects.c 2011-11-07 19:38:12.073651604 +0100
+++ b/drivers/staging/speakup/kobjects.c 2011-11-08 10:52:31.467444789 +0100
@@ -265,12 +265,11 @@ static ssize_t keymap_store(struct kobje
 	unsigned long flags;
 
 	spk_lock(flags);
-	in_buff = kmalloc(count + 1, GFP_ATOMIC);
+	in_buff = kmemdup(buf, count + 1, GFP_ATOMIC);
 	if (!in_buff) {
 		spk_unlock(flags);
 		return -ENOMEM;
 	}
-	memcpy(in_buff, buf, count + 1);
 	if (strchr("dDrR", *in_buff)) {
 		set_key_info(key_defaults, key_buf);
 		pr_info("keymap set to default values\n");



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