Commit 81b424d9 authored Apr 17, 2011 by David S. Miller

isdn: mISDN: socket: Fix set-but-unused variables.



The variable 'len' is set but unused in data_sock_getsockopt().

The code should use 'len' to validate that the user's socket option is
indeed the right size.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 07f46f80

drivers/isdn/mISDN/socket.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -457,6 +457,9 @@ static int data_sock_getsockopt(struct socket *sock, int level, int optname,
		if (get_user(len, optlen))
		return -EFAULT;

		if (len != sizeof(char))
		return -EINVAL;

		switch (optname) {
		case MISDN_TIME_STAMP:
		if (_pms(sk)->cmask & MISDN_TIME_STAMP)