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ALSA: usb-audio: Use kmemdup rather than duplicating its implementation 

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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Thomas Meyer 2011-11-10 19:38:43 +01:00 committed by Takashi Iwai
parent 2f451d2a2a
commit 43df2a57b7
1 changed files with 3 additions and 4 deletions
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7
sound/usb/quirks.c
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@ -137,12 +137,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
return -ENOMEM;
}
if (fp->nr_rates > 0) {
rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
rate_table = kmemdup(fp->rate_table,
sizeof(int) * fp->nr_rates, GFP_KERNEL);
if (!rate_table) {
kfree(fp);
return -ENOMEM;
}
memcpy(rate_table, fp->rate_table, sizeof(int) * fp->nr_rates);
fp->rate_table = rate_table;
}
@ -224,10 +224,9 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
if (altsd->bNumEndpoints != 1)
return -ENXIO;
fp = kmalloc(sizeof(*fp), GFP_KERNEL);
fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
if (!fp)
return -ENOMEM;
memcpy(fp, &ua_format, sizeof(*fp));
fp->iface = altsd->bInterfaceNumber;
fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;