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authorAlexey Dobriyan <adobriyan@gmail.com>2006-09-30 23:27:21 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:19 -0700
commit52978be636374c4bfb61220b37fa12f55a071c46 (patch)
tree36444be7bdbc0cdd99d903c0ad87316c93427517 /sound/usb/usbaudio.c
parent1a2f67b459bb7846d4a15924face63eb2683acc2 (diff)
downloadlinux-2.6.34-ux500-52978be636374c4bfb61220b37fa12f55a071c46.tar.gz
[PATCH] kmemdup: some users
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'sound/usb/usbaudio.c')
-rw-r--r--sound/usb/usbaudio.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 49248fa7aef..a42acf6d7b6 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2046,10 +2046,9 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request,
void *buf = NULL;
if (size > 0) {
- buf = kmalloc(size, GFP_KERNEL);
+ buf = kmemdup(data, size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- memcpy(buf, data, size);
}
err = usb_control_msg(dev, pipe, request, requesttype,
value, index, buf, size, timeout);
@@ -2846,12 +2845,11 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
int stream, err;
int *rate_table = NULL;
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
if (! fp) {
- snd_printk(KERN_ERR "cannot malloc\n");
+ snd_printk(KERN_ERR "cannot memdup\n");
return -ENOMEM;
}
- memcpy(fp, quirk->data, sizeof(*fp));
if (fp->nr_rates > 0) {
rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
if (!rate_table) {
@@ -3029,10 +3027,9 @@ static int create_ua1000_quirk(struct snd_usb_audio *chip,
altsd->bNumEndpoints != 1)
return -ENXIO;
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kmemdup(&ua1000_format, sizeof(*fp), GFP_KERNEL);
if (!fp)
return -ENOMEM;
- memcpy(fp, &ua1000_format, sizeof(*fp));
fp->channels = alts->extra[4];
fp->iface = altsd->bInterfaceNumber;