summaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
authorGreg Kroah-Hartman2019-06-12 17:36:13 +0200
committerGreg Kroah-Hartman2019-07-03 16:57:18 +0200
commit56f3364aba8866d0f7f8c965e7acf07f35679701 (patch)
tree98309012108d2144810fd8a188659c95f21bd607 /lib
parentswiotlb: no need to check return value of debugfs_create functions (diff)
downloadkernel-qcow2-linux-56f3364aba8866d0f7f8c965e7acf07f35679701.tar.gz
kernel-qcow2-linux-56f3364aba8866d0f7f8c965e7acf07f35679701.tar.xz
kernel-qcow2-linux-56f3364aba8866d0f7f8c965e7acf07f35679701.zip
lib: notifier-error-inject: 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: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20190612153613.GA21239@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/notifier-error-inject.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/lib/notifier-error-inject.c b/lib/notifier-error-inject.c
index 3d2ba7cf83f4..21016b32d313 100644
--- a/lib/notifier-error-inject.c
+++ b/lib/notifier-error-inject.c
@@ -59,33 +59,22 @@ struct dentry *notifier_err_inject_init(const char *name, struct dentry *parent,
err_inject->nb.priority = priority;
dir = debugfs_create_dir(name, parent);
- if (!dir)
- return ERR_PTR(-ENOMEM);
actions_dir = debugfs_create_dir("actions", dir);
- if (!actions_dir)
- goto fail;
for (action = err_inject->actions; action->name; action++) {
struct dentry *action_dir;
action_dir = debugfs_create_dir(action->name, actions_dir);
- if (!action_dir)
- goto fail;
/*
* Create debugfs r/w file containing action->error. If
* notifier call chain is called with action->val, it will
* fail with the error code
*/
- if (!debugfs_create_errno("error", mode, action_dir,
- &action->error))
- goto fail;
+ debugfs_create_errno("error", mode, action_dir, &action->error);
}
return dir;
-fail:
- debugfs_remove_recursive(dir);
- return ERR_PTR(-ENOMEM);
}
EXPORT_SYMBOL_GPL(notifier_err_inject_init);