regulator: dbx500: 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.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/20200818133701.462958-1-gregkh@linuxfoundation.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index c3ad6aa6b5d378462d8441c36ce2102756208cf0..7395ad2105ab82858381bf3f6273bafa3157ca26 100644 (file)
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -67,8 +67,6 @@ static int power_state_active_get(void)
 
 static struct ux500_regulator_debug {
        struct dentry *dir;
-       struct dentry *status_file;
-       struct dentry *power_state_cnt_file;
        struct dbx500_regulator_info *regulator_array;
        int num_regulators;
        u8 *state_before_suspend;
@@ -117,22 +115,14 @@ ux500_regulator_debug_init(struct platform_device *pdev,
 {
        /* create directory */
        rdebug.dir = debugfs_create_dir("ux500-regulator", NULL);
-       if (!rdebug.dir)
-               goto exit_no_debugfs;
 
        /* create "status" file */
-       rdebug.status_file = debugfs_create_file("status",
-               S_IRUGO, rdebug.dir, &pdev->dev,
-               &ux500_regulator_status_fops);
-       if (!rdebug.status_file)
-               goto exit_destroy_dir;
+       debugfs_create_file("status", S_IRUGO, rdebug.dir, &pdev->dev,
+                           &ux500_regulator_status_fops);
 
        /* create "power-state-count" file */
-       rdebug.power_state_cnt_file = debugfs_create_file("power-state-count",
-               S_IRUGO, rdebug.dir, &pdev->dev,
-               &ux500_regulator_power_state_cnt_fops);
-       if (!rdebug.power_state_cnt_file)
-               goto exit_destroy_status;
+       debugfs_create_file("power-state-count", S_IRUGO, rdebug.dir,
+                           &pdev->dev, &ux500_regulator_power_state_cnt_fops);
 
        rdebug.regulator_array = regulator_info;
        rdebug.num_regulators = num_regulators;
@@ -150,11 +140,7 @@ ux500_regulator_debug_init(struct platform_device *pdev,
 exit_free:
        kfree(rdebug.state_before_suspend);
 exit_destroy_power_state:
-       debugfs_remove(rdebug.power_state_cnt_file);
-exit_destroy_status:
-       debugfs_remove(rdebug.status_file);
-exit_destroy_dir:
-       debugfs_remove(rdebug.dir);
+       debugfs_remove_recursive(rdebug.dir);
 exit_no_debugfs:
        dev_err(&pdev->dev, "failed to create debugfs entries.\n");
        return -ENOMEM;