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Diffstat (limited to 'drivers/media/video/dabusb.c')
| -rw-r--r-- | drivers/media/video/dabusb.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c index 0f505086774..5b176bd7afd 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; } |