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;
                 }