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| author |   Guillaume Nault <g.nault@alphalink.fr> | 2018-08-10 13:22:02 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-08-11 12:13:49 -0700 |
| commit | 7390ed8a405013d0a7e1f4dc8ac495e0ac04996f (patch) | |
| tree | c3682c22665ea9033c29abc543eb6ca3030c8a7b | |
| parent | l2tp: remove pppol2tp_session_ioctl() (diff) | |
| download | linux-dev-7390ed8a405013d0a7e1f4dc8ac495e0ac04996f.tar.xz linux-dev-7390ed8a405013d0a7e1f4dc8ac495e0ac04996f.zip | |
l2tp: zero out stats in pppol2tp_copy_stats()
Integrate memset(0) in pppol2tp_copy_stats() to avoid calling it
manually every time.
While there, constify 'stats'.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/l2tp/l2tp_ppp.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index bdfbd3ed7e14..e2eea60bf875 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1026,8 +1026,10 @@ end: ****************************************************************************/ static void pppol2tp_copy_stats(struct pppol2tp_ioc_stats *dest, - struct l2tp_stats *stats) + const struct l2tp_stats *stats) { + memset(dest, 0, sizeof(*dest)); + dest->tx_packets = atomic_long_read(&stats->tx_packets); dest->tx_bytes = atomic_long_read(&stats->tx_bytes); dest->tx_errors = atomic_long_read(&stats->tx_errors); @@ -1044,7 +1046,6 @@ static int pppol2tp_tunnel_copy_stats(struct pppol2tp_ioc_stats *stats, struct l2tp_session *session; if (!stats->session_id) { - memset(stats, 0, sizeof(*stats)); pppol2tp_copy_stats(stats, &tunnel->stats); return 0; } @@ -1061,7 +1062,6 @@ static int pppol2tp_tunnel_copy_stats(struct pppol2tp_ioc_stats *stats, return -EBADR; } - memset(stats, 0, sizeof(*stats)); pppol2tp_copy_stats(stats, &session->stats); l2tp_session_dec_refcount(session); @@ -1126,7 +1126,6 @@ static int pppol2tp_ioctl(struct socket *sock, unsigned int cmd, stats.session_id = session_id; } else { - memset(&stats, 0, sizeof(stats)); pppol2tp_copy_stats(&stats, &session->stats); stats.session_id = session->session_id; } |