Commit 4194b491 authored by Tobias Klauser's avatar Tobias Klauser Committed by David S. Miller
Browse files

packet: Don't check frames_per_block against negative values 



rb->frames_per_block is an unsigned int, thus can never be negative.

Also fix spacing in the calculation of frames_per_block.

Signed-off-by: default avatarTobias Klauser <tklauser@distanz.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 321beec5

net/packet/af_packet.c

+2 −2
Original line number Diff line number Diff line
@@ -4122,7 +4122,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, 
			goto out;



		rb->frames_per_block = req->tp_block_size / req->tp_frame_size;

		if (unlikely(rb->frames_per_block <= 0))

		if (unlikely(rb->frames_per_block == 0))

			goto out;

		if (unlikely((rb->frames_per_block * req->tp_block_nr) !=

					req->tp_frame_nr))