From 96bab82f6ba3c4e116ee89989b3854dde6c0cd2d Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Fri, 7 Aug 2015 09:59:35 +0200 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- sound/firewire/oxfw/oxfw-stream.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) 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; -- 2.4.6