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path: root/net/mac80211/ieee80211_rate.c
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Diffstat (limited to 'net/mac80211/ieee80211_rate.c')
-rw-r--r--net/mac80211/ieee80211_rate.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c
index 93abb8fff14..e4bd8481554 100644
--- a/net/mac80211/ieee80211_rate.c
+++ b/net/mac80211/ieee80211_rate.c
@@ -25,6 +25,9 @@ int ieee80211_rate_control_register(struct rate_control_ops *ops)
{
struct rate_control_alg *alg;
+ if (!ops->name)
+ return -EINVAL;
+
alg = kzalloc(sizeof(*alg), GFP_KERNEL);
if (alg == NULL) {
return -ENOMEM;
@@ -61,9 +64,12 @@ ieee80211_try_rate_control_ops_get(const char *name)
struct rate_control_alg *alg;
struct rate_control_ops *ops = NULL;
+ if (!name)
+ return NULL;
+
mutex_lock(&rate_ctrl_mutex);
list_for_each_entry(alg, &rate_ctrl_algs, list) {
- if (!name || !strcmp(alg->ops->name, name))
+ if (!strcmp(alg->ops->name, name))
if (try_module_get(alg->ops->module)) {
ops = alg->ops;
break;
@@ -80,9 +86,12 @@ ieee80211_rate_control_ops_get(const char *name)
{
struct rate_control_ops *ops;
+ if (!name)
+ name = "simple";
+
ops = ieee80211_try_rate_control_ops_get(name);
if (!ops) {
- request_module("rc80211_%s", name ? name : "default");
+ request_module("rc80211_%s", name);
ops = ieee80211_try_rate_control_ops_get(name);
}
return ops;