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| author | danborkmann@iogearbox.net <danborkmann@iogearbox.net> | 2012-06-10 08:59:28 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-06-11 16:51:51 -0700 |
| commit | de74e92aa8a44d0b80a53601dc4f6dd6afcb8453 (patch) | |
| tree | fa880b187e38df3499e490b78f435e2c952c11c9 | |
| parent | 55afabaa0df0dd139c8796a71beb43d1216fbe43 (diff) | |
| download | linux-de74e92aa8a44d0b80a53601dc4f6dd6afcb8453.tar.gz linux-de74e92aa8a44d0b80a53601dc4f6dd6afcb8453.tar.bz2 linux-de74e92aa8a44d0b80a53601dc4f6dd6afcb8453.zip | |
af_packet: use sizeof instead of constant in spkt_device
This small patch removes access to the last element of the spkt_device
array through a constant. Instead, it is accessed by sizeof() to respect
possible changes in if_packet.h.
Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/packet/af_packet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 71ac6559e0c6..8a10d5b3c832 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1475,7 +1475,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, * Find the device first to size check it */ - saddr->spkt_device[13] = 0; + saddr->spkt_device[sizeof(saddr->spkt_device) - 1] = 0; retry: rcu_read_lock(); dev = dev_get_by_name_rcu(sock_net(sk), saddr->spkt_device); |