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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-14 09:11:23 +0200
committerSimon Wunderlich <sw@simonwunderlich.de>2019-06-27 19:25:04 +0200
commit3bcacd1e067266173c35628df96be7819ab3d64a (patch)
tree393a94e949578b5d9090895fb229199d42fe11bd /net/batman-adv/log.c
parent390dcd48cd1a53a81b68a87d0188e6aacc54a199 (diff)
downloadlinux-3bcacd1e067266173c35628df96be7819ab3d64a.tar.bz2
batman-adv: 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. Because we don't care if debugfs works or not, this trickles back a bit so we can clean things up by making some functions return void instead of an error value that is never going to fail. Cc: Marek Lindner <mareklindner@neomailbox.ch> Cc: Simon Wunderlich <sw@simonwunderlich.de> Cc: Antonio Quartulli <a@unstable.cc> Cc: "David S. Miller" <davem@davemloft.net> Cc: b.a.t.m.a.n@lists.open-mesh.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [sven@narfation.org: drop unused variables] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net/batman-adv/log.c')
-rw-r--r--net/batman-adv/log.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/net/batman-adv/log.c b/net/batman-adv/log.c
index f79ebd5b46e9..11941cf1adcc 100644
--- a/net/batman-adv/log.c
+++ b/net/batman-adv/log.c
@@ -190,27 +190,16 @@ static const struct file_operations batadv_log_fops = {
*/
int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{
- struct dentry *d;
-
- if (!bat_priv->debug_dir)
- goto err;
-
bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
if (!bat_priv->debug_log)
- goto err;
+ return -ENOMEM;
spin_lock_init(&bat_priv->debug_log->lock);
init_waitqueue_head(&bat_priv->debug_log->queue_wait);
- d = debugfs_create_file("log", 0400, bat_priv->debug_dir, bat_priv,
- &batadv_log_fops);
- if (!d)
- goto err;
-
+ debugfs_create_file("log", 0400, bat_priv->debug_dir, bat_priv,
+ &batadv_log_fops);
return 0;
-
-err:
- return -ENOMEM;
}
/**