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[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>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-11-17 12:43:07 -02:00 committed by David S. Miller
parent c66b721a50
commit 0459d70add
4 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/ax25/af_ax25.c
View File

@ -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;

4
net/ax25/ax25_out.c
View File

@ -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]) {

5
net/ax25/ax25_route.c
View File

@ -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);
}

5
net/ax25/sysctl_net_ax25.c
View File

@ -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;