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| author | Thomas Meyer <thomas@m3y3r.de> | 2011-11-10 19:38:43 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-11-10 19:51:45 +0100 |
| commit | 43df2a57b773596cd0bdd2316889ff9653121015 (patch) | |
| tree | af534b4284544bd5641b77a7d05f0496758e702e /sound | |
| parent | 2f451d2a2a44b66586b803763068195088f9ccd4 (diff) | |
| download | lwn-43df2a57b773596cd0bdd2316889ff9653121015.tar.gz lwn-43df2a57b773596cd0bdd2316889ff9653121015.zip | |
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/quirks.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 2e5bc7344026..a3ddac0deffd 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -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; |