From: Andrzej Hajda <a.hajda@samsung.com>
Date: Fri, 7 Aug 2015 07:59:35 +0000 (+0200)
Subject: ALSA: firewire: use kmemdup rather than duplicating its implementation
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=96bab82f6ba3c4e116ee89989b3854dde6c0cd2d;p=linux-beck.git

ALSA: firewire: use kmemdup rather than duplicating its implementation

The patch was generated using fixed coccinelle semantic patch
scripts/coccinelle/api/memdup.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2014320

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/firewire/oxfw/oxfw-stream.c b/sound/firewire/oxfw/oxfw-stream.c
index 873d40fc4509..77ad5b98e806 100644
--- a/sound/firewire/oxfw/oxfw-stream.c
+++ b/sound/firewire/oxfw/oxfw-stream.c
@@ -512,12 +512,11 @@ assume_stream_formats(struct snd_oxfw *oxfw, enum avc_general_plug_dir dir,
 	if (err < 0)
 		goto end;
 
-	formats[eid] = kmalloc(*len, GFP_KERNEL);
+	formats[eid] = kmemdup(buf, *len, GFP_KERNEL);
 	if (formats[eid] == NULL) {
 		err = -ENOMEM;
 		goto end;
 	}
-	memcpy(formats[eid], buf, *len);
 
 	/* apply the format for each available sampling rate */
 	for (i = 0; i < ARRAY_SIZE(oxfw_rate_table); i++) {
@@ -531,12 +530,11 @@ assume_stream_formats(struct snd_oxfw *oxfw, enum avc_general_plug_dir dir,
 			continue;
 
 		eid++;
-		formats[eid] = kmalloc(*len, GFP_KERNEL);
+		formats[eid] = kmemdup(buf, *len, GFP_KERNEL);
 		if (formats[eid] == NULL) {
 			err = -ENOMEM;
 			goto end;
 		}
-		memcpy(formats[eid], buf, *len);
 		formats[eid][2] = avc_stream_rate_table[i];
 	}
 
@@ -594,12 +592,11 @@ static int fill_stream_formats(struct snd_oxfw *oxfw,
 		if (err < 0)
 			break;
 
-		formats[eid] = kmalloc(len, GFP_KERNEL);
+		formats[eid] = kmemdup(buf, len, GFP_KERNEL);
 		if (formats[eid] == NULL) {
 			err = -ENOMEM;
 			break;
 		}
-		memcpy(formats[eid], buf, len);
 
 		/* get next entry */
 		len = AVC_GENERIC_FRAME_MAXIMUM_BYTES;