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| author | Tobias Klauser <tklauser@distanz.ch> | 2015-11-17 10:38:36 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-17 15:25:44 -0500 |
| commit | 4194b4914a824c21bcad9305d6180825f4dc1f5e (patch) | |
| tree | 9f8f042d945098206934bedc9326decbf92490b9 | |
| parent | 321beec5047af83db90c88114b7e664b156f49fe (diff) | |
| download | blackbird-op-linux-4194b4914a824c21bcad9305d6180825f4dc1f5e.tar.gz blackbird-op-linux-4194b4914a824c21bcad9305d6180825f4dc1f5e.zip | |
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: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/packet/af_packet.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 242bce1cf0f3..533981d49290 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4121,8 +4121,8 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, if (unlikely(req->tp_frame_size & (TPACKET_ALIGNMENT - 1))) goto out; - rb->frames_per_block = req->tp_block_size/req->tp_frame_size; - if (unlikely(rb->frames_per_block <= 0)) + rb->frames_per_block = req->tp_block_size / req->tp_frame_size; + if (unlikely(rb->frames_per_block == 0)) goto out; if (unlikely((rb->frames_per_block * req->tp_block_nr) != req->tp_frame_nr)) |
