Commit 1ceb3628 authored by Al Viro's avatar Al Viro
Browse files

[um] hostaudio: don't open-code memdup_user() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 80f8dccf

arch/um/drivers/hostaudio_kern.c

+3 −7
Original line number Diff line number Diff line
@@ -105,13 +105,9 @@ static ssize_t hostaudio_write(struct file *file, const char __user *buffer, 
	printk(KERN_DEBUG "hostaudio: write called, count = %d\n", count);

#endif



	kbuf = kmalloc(count, GFP_KERNEL);

	if (kbuf == NULL)

		return -ENOMEM;



	err = -EFAULT;

	if (copy_from_user(kbuf, buffer, count))

		goto out;

	kbuf = memdup_user(buffer, count);

	if (IS_ERR(kbuf))

		return PTR_ERR(kbuf);



	err = os_write_file(state->fd, kbuf, count);

	if (err < 0)