From: Greg Kroah-Hartman Date: Fri, 14 Jun 2019 06:59:34 +0000 (+0200) Subject: mac80211: no need to check return value of debugfs_create functions X-Git-Tag: Ubuntu-5.10.0-12.13~5002^2~255^2~2 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=5a7bb7ce26a98d52190086ae6174becedf03bf43;p=mirror_ubuntu-hirsute-kernel.git mac80211: no need to check return value of debugfs_create functions When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Johannes Berg Cc: "David S. Miller" Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index a2ef95f16f11..1a25de4e7e78 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -342,9 +342,6 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key) key->debugfs.dir = debugfs_create_dir(buf, key->local->debugfs.keys); - if (!key->debugfs.dir) - return; - sta = key->sta; if (sta) { sprintf(buf, "../../netdev:%s/stations/%pM", diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index deb3faf08337..f6508cf67944 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -818,9 +818,8 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) sprintf(buf, "netdev:%s", sdata->name); sdata->vif.debugfs_dir = debugfs_create_dir(buf, sdata->local->hw.wiphy->debugfsdir); - if (sdata->vif.debugfs_dir) - sdata->debugfs.subdir_stations = debugfs_create_dir("stations", - sdata->vif.debugfs_dir); + sdata->debugfs.subdir_stations = debugfs_create_dir("stations", + sdata->vif.debugfs_dir); add_files(sdata); } @@ -845,8 +844,5 @@ void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) return; sprintf(buf, "netdev:%s", sdata->name); - if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) - sdata_err(sdata, - "debugfs: failed to rename debugfs dir to %s\n", - buf); + debugfs_rename(dir->d_parent, dir, dir->d_parent, buf); } diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 8e921281e0d5..b2542bb2814e 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -960,8 +960,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) * dir might still be around. */ sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); - if (!sta->debugfs_dir) - return; DEBUGFS_ADD(flags); DEBUGFS_ADD(aid);