diff options
Diffstat (limited to 'net/mac80211/ieee80211_rate.c')
| -rw-r--r-- | net/mac80211/ieee80211_rate.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c index 93abb8fff141..e4bd8481554d 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; |