diff options
| author | Jesper Juhl <jesper.juhl@gmail.com> | 2005-11-08 09:41:34 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-11-08 09:41:34 -0800 |
| commit | a51482bde22f99c63fbbb57d5d46cc666384e379 (patch) | |
| tree | 5482ed1c0803edb2ffbd51035de921fb0f72d82b /net/ax25 | |
| parent | ac7c98eca88a854755475fcfe1b2bf5f97f90d99 (diff) | |
| download | lwn-a51482bde22f99c63fbbb57d5d46cc666384e379.tar.gz lwn-a51482bde22f99c63fbbb57d5d46cc666384e379.zip | |
[NET]: kfree cleanup
From: Jesper Juhl <jesper.juhl@gmail.com>
This is the net/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in net/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Diffstat (limited to 'net/ax25')
| -rw-r--r-- | net/ax25/af_ax25.c | 6 | ||||
| -rw-r--r-- | net/ax25/ax25_in.c | 6 | ||||
| -rw-r--r-- | net/ax25/ax25_route.c | 19 |
3 files changed, 10 insertions, 21 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 8e37e71e34ff..1b683f302657 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1138,10 +1138,8 @@ static int ax25_connect(struct socket *sock, struct sockaddr *uaddr, sk->sk_state = TCP_CLOSE; sock->state = SS_UNCONNECTED; - if (ax25->digipeat != NULL) { - kfree(ax25->digipeat); - ax25->digipeat = NULL; - } + kfree(ax25->digipeat); + ax25->digipeat = NULL; /* * Handle digi-peaters to be used. diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c index 73cfc3411c46..4cf87540fb3a 100644 --- a/net/ax25/ax25_in.c +++ b/net/ax25/ax25_in.c @@ -401,10 +401,8 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev, } if (dp.ndigi == 0) { - if (ax25->digipeat != NULL) { - kfree(ax25->digipeat); - ax25->digipeat = NULL; - } + kfree(ax25->digipeat); + ax25->digipeat = NULL; } else { /* Reverse the source SABM's path */ memcpy(ax25->digipeat, &reverse_dp, sizeof(ax25_digi)); diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c index 26b77d972220..b1e945bd6ed3 100644 --- a/net/ax25/ax25_route.c +++ b/net/ax25/ax25_route.c @@ -54,15 +54,13 @@ void ax25_rt_device_down(struct net_device *dev) if (s->dev == dev) { if (ax25_route_list == s) { ax25_route_list = s->next; - if (s->digipeat != NULL) - kfree(s->digipeat); + kfree(s->digipeat); kfree(s); } else { for (t = ax25_route_list; t != NULL; t = t->next) { if (t->next == s) { t->next = s->next; - if (s->digipeat != NULL) - kfree(s->digipeat); + kfree(s->digipeat); kfree(s); break; } @@ -90,10 +88,8 @@ static int ax25_rt_add(struct ax25_routes_struct *route) while (ax25_rt != NULL) { if (ax25cmp(&ax25_rt->callsign, &route->dest_addr) == 0 && ax25_rt->dev == ax25_dev->dev) { - if (ax25_rt->digipeat != NULL) { - kfree(ax25_rt->digipeat); - ax25_rt->digipeat = NULL; - } + kfree(ax25_rt->digipeat); + ax25_rt->digipeat = NULL; if (route->digi_count != 0) { if ((ax25_rt->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) { write_unlock(&ax25_route_lock); @@ -145,8 +141,7 @@ static int ax25_rt_add(struct ax25_routes_struct *route) static void ax25_rt_destroy(ax25_route *ax25_rt) { if (atomic_read(&ax25_rt->ref) == 0) { - if (ax25_rt->digipeat != NULL) - kfree(ax25_rt->digipeat); + kfree(ax25_rt->digipeat); kfree(ax25_rt); return; } @@ -530,9 +525,7 @@ void __exit ax25_rt_free(void) s = ax25_rt; ax25_rt = ax25_rt->next; - if (s->digipeat != NULL) - kfree(s->digipeat); - + kfree(s->digipeat); kfree(s); } write_unlock(&ax25_route_lock); |