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authorArnaldo Carvalho de Melo <acme@mandriva.com>2006-11-17 12:43:07 -0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:24:01 -0800
commit0459d70add3f7ca5d433d4b2334cc6ec9ddab05b (patch)
treeaaad8cbd8e9e38c44eeb748d088bc7139555f9ae
parentc66b721a502cbbc15be8bd7c79c305fa40f1e6ce (diff)
[AX25]: Use kmemdup
Code diff stats: [acme@newtoy net-2.6.20]$ codiff /tmp/ax25.ko.before /tmp/ax25.ko.after /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/ax25_out.c: ax25_send_frame | -8 1 function changed, 8 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/ax25_route.c: ax25_rt_autobind | -15 1 function changed, 15 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/af_ax25.c: ax25_make_new | -33 1 function changed, 33 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/sysctl_net_ax25.c: ax25_register_sysctl | -21 1 function changed, 21 bytes removed /tmp/ax25.ko.after: 4 functions changed, 77 bytes removed [acme@newtoy net-2.6.20]$ Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
-rw-r--r--net/ax25/af_ax25.c6
-rw-r--r--net/ax25/ax25_out.c4
-rw-r--r--net/ax25/ax25_route.c5
-rw-r--r--net/ax25/sysctl_net_ax25.c5
4 files changed, 11 insertions, 9 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 000695c4858..6cabf6d8a75 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -906,13 +906,13 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev)
ax25->source_addr = oax25->source_addr;
if (oax25->digipeat != NULL) {
- if ((ax25->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
+ ax25->digipeat = kmemdup(oax25->digipeat, sizeof(ax25_digi),
+ GFP_ATOMIC);
+ if (ax25->digipeat == NULL) {
sk_free(sk);
ax25_cb_put(ax25);
return NULL;
}
-
- memcpy(ax25->digipeat, oax25->digipeat, sizeof(ax25_digi));
}
sk->sk_protinfo = ax25;
diff --git a/net/ax25/ax25_out.c b/net/ax25/ax25_out.c
index d7736e58533..f84047d1e8c 100644
--- a/net/ax25/ax25_out.c
+++ b/net/ax25/ax25_out.c
@@ -70,11 +70,11 @@ ax25_cb *ax25_send_frame(struct sk_buff *skb, int paclen, ax25_address *src, ax2
ax25->dest_addr = *dest;
if (digi != NULL) {
- if ((ax25->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
+ ax25->digipeat = kmemdup(digi, sizeof(*digi), GFP_ATOMIC);
+ if (ax25->digipeat == NULL) {
ax25_cb_put(ax25);
return NULL;
}
- memcpy(ax25->digipeat, digi, sizeof(ax25_digi));
}
switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 51b7bdaf27e..8580356ace5 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -432,11 +432,12 @@ int ax25_rt_autobind(ax25_cb *ax25, ax25_address *addr)
}
if (ax25_rt->digipeat != NULL) {
- if ((ax25->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
+ ax25->digipeat = kmemdup(ax25_rt->digipeat, sizeof(ax25_digi),
+ GFP_ATOMIC);
+ if (ax25->digipeat == NULL) {
err = -ENOMEM;
goto put;
}
- memcpy(ax25->digipeat, ax25_rt->digipeat, sizeof(ax25_digi));
ax25_adjust_path(addr, ax25->digipeat);
}
diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index 867d4253797..d23a27f25d2 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -209,7 +209,9 @@ void ax25_register_sysctl(void)
}
for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
- ctl_table *child = kmalloc(sizeof(ax25_param_table), GFP_ATOMIC);
+ struct ctl_table *child = kmemdup(ax25_param_table,
+ sizeof(ax25_param_table),
+ GFP_ATOMIC);
if (!child) {
while (n--)
kfree(ax25_table[n].child);
@@ -217,7 +219,6 @@ void ax25_register_sysctl(void)
spin_unlock_bh(&ax25_dev_lock);
return;
}
- memcpy(child, ax25_param_table, sizeof(ax25_param_table));
ax25_table[n].child = ax25_dev->systable = child;
ax25_table[n].ctl_name = n + 1;
ax25_table[n].procname = ax25_dev->dev->name;