aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/dabusb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/dabusb.c')
-rw-r--r--drivers/media/video/dabusb.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index 0f505086774c..5b176bd7afdb 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -706,16 +706,11 @@ static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg
switch (cmd) {
case IOCTL_DAB_BULK:
- pbulk = kmalloc(sizeof (bulk_transfer_t), GFP_KERNEL);
+ pbulk = memdup_user((void __user *)arg,
+ sizeof(bulk_transfer_t));
- if (!pbulk) {
- ret = -ENOMEM;
- break;
- }
-
- if (copy_from_user (pbulk, (void __user *) arg, sizeof (bulk_transfer_t))) {
- ret = -EFAULT;
- kfree (pbulk);
+ if (IS_ERR(pbulk)) {
+ ret = PTR_ERR(pbulk);
break;
}