: act_api.c: clean up init path, propagate errors properly
Subsystems (2)
PATCH 8/22 : act_api.c: clean up init path, propagate errors properly
# This is a BitKeeper generated diff -Nru style patch. #
# ChangeSet
# 2005/01/09 23:31:15+01:00 [email protected]
# [PKT_SCHED]: act_api.c: clean up init path, propagate errors properly
#
# Signed-off-by: Patrick McHardy <[email protected]>
#
# net/sched/act_api.c # 2005/01/09 23:31:08+01:00 [email protected] +17 -36 # [PKT_SCHED]: act_api.c: clean up init path, propagate errors properly # # Signed-off-by: Patrick McHardy <[email protected]> # diff -Nru a/net/sched/act_api.c b/net/sched/act_api.c --- a/net/sched/act_api.c 2005-01-10 06:22:15 +01:00 +++ b/net/sched/act_api.c 2005-01-10 06:22:15 +01:00 @@ -283,55 +283,39 @@ RTA_PAYLOAD(rta)) < 0) goto err_out; kind = tb[TCA_ACT_KIND-1]; - if (kind != NULL) { - if (rtattr_strlcpy(act_name, kind, - IFNAMSIZ) >= IFNAMSIZ) - goto err_out; - } else { - printk("Action bad kind\n"); + if (kind == NULL) + goto err_out; + if (rtattr_strlcpy(act_name, kind, IFNAMSIZ) >= IFNAMSIZ) goto err_out; - } - a_o = tc_lookup_action(kind); } else { - sprintf(act_name, "%s", name); - DPRINTK("tcf_action_init_1: finding %s\n", act_name); - a_o = tc_lookup_action_n(name); + if (strlcpy(act_name, name, IFNAMSIZ) >= IFNAMSIZ) + goto err_out; } + + *err = -ENOENT; + a_o = tc_lookup_action_n(act_name); #ifdef CONFIG_KMOD if (a_o == NULL) { - DPRINTK("tcf_action_init_1: trying to load module %s\n", - act_name); request_module(act_name); a_o = tc_lookup_action_n(act_name); } - #endif - if (a_o == NULL) { - printk("failed to find %s\n", act_name); + if (a_o == NULL) goto err_out; - }
+ *err = -ENOMEM;
a = kmalloc(sizeof(*a), GFP_KERNEL);
- if (a == NULL) {
- *err = -ENOMEM;
+ if (a == NULL)
goto err_mod;
- }
memset(a, 0, sizeof(*a));
/* backward compatibility for policer */
- if (name == NULL) {
+ if (name == NULL)
*err = a_o->init(tb[TCA_ACT_OPTIONS-1], est, a, ovr, bind);
- if (*err < 0) {
- *err = -EINVAL;
- goto err_free;
- }
- } else {
+ else
*err = a_o->init(rta, est, a, ovr, bind);
- if (*err < 0) {
- *err = -EINVAL;
- goto err_free;
- }
- }
+ if (*err < 0)
+ goto err_free;
/* module count goes up only when brand new policy is created
if it exists and is only bound to in a_o->init() then
@@ -370,10 +354,8 @@
if (tb[i]) {
act = tcf_action_init_1(tb[i], est, name, ovr, bind,
err);
- if (act == NULL) {
- printk("Error processing action order %d\n", i);
+ if (act == NULL)
goto bad_ret;
- }
act->order = i+1;
if (a == NULL)
@@ -838,8 +820,7 @@
ret = tca_action_gd(tca[TCA_ACT_TAB-1], n, pid, RTM_GETACTION); break;
default:
- printk("Unknown cmd was detected\n");
- break;
+ BUG();
}
return ret;