#include <linux/bitops.h>
#include <asm/io.h>
#include <linux/sched.h>
+#include <linux/mm.h>
#include <linux/smp_lock.h>
#include "hwaccess.h"
if ((bytestocopy >= wiinst->buffer.fragment_size)
|| (bytestocopy >= count)) {
+ int rc;
+
bytestocopy = min_t(u32, bytestocopy, count);
- emu10k1_wavein_xferdata(wiinst, (u8 __user *)buffer, &bytestocopy);
+ rc = emu10k1_wavein_xferdata(wiinst,
+ (u8 __user *)buffer,
+ &bytestocopy);
+ if (rc)
+ return rc;
count -= bytestocopy;
buffer += bytestocopy;
match:
- wave_dev = (struct emu10k1_wavedevice *) kmalloc(sizeof(struct emu10k1_wavedevice), GFP_KERNEL);
+ wave_dev = kmalloc(sizeof(struct emu10k1_wavedevice), GFP_KERNEL);
if (wave_dev == NULL) {
ERROR();
/* Recording */
struct wiinst *wiinst;
- if ((wiinst = (struct wiinst *) kmalloc(sizeof(struct wiinst), GFP_KERNEL)) == NULL) {
+ if ((wiinst = kmalloc(sizeof(struct wiinst), GFP_KERNEL)) == NULL) {
ERROR();
kfree(wave_dev);
return -ENOMEM;
struct woinst *woinst;
int i;
- if ((woinst = (struct woinst *) kmalloc(sizeof(struct woinst), GFP_KERNEL)) == NULL) {
+ if ((woinst = kmalloc(sizeof(struct woinst), GFP_KERNEL)) == NULL) {
ERROR();
kfree(wave_dev);
return -ENOMEM;