regulator: Remove NULL test before calling regulator_unregister()

It's safe to call regulator_unregister() with NULL, thus remove the NULL test
before regulator_unregister() calls.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@sirena.org.uk>

5 files changed, 7 insertions, 14 deletions

diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 8c5a54f541b5..6b2217b404b2 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -232,8 +232,7 @@ static int max1586_pmic_remove(struct i2c_client *client)
         int i;
 
         for (i = 0; i <= MAX1586_V6; i++)
-                if (max1586->rdev[i])
-                        regulator_unregister(max1586->rdev[i]);
+                regulator_unregister(max1586->rdev[i]);
         return 0;
 }
 
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 3ca14380f22d..f44427003611 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -275,10 +275,8 @@ static int max8649_regulator_remove(struct i2c_client *client)
 {
         struct max8649_regulator_info *info = i2c_get_clientdata(client);
 
-        if (info) {
-                if (info->regulator)
-                        regulator_unregister(info->regulator);
-        }
+        if (info)
+                regulator_unregister(info->regulator);
 
         return 0;
 }
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index 4d7c635c36c2..d428ef9a626f 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -426,8 +426,7 @@ static int max8660_remove(struct i2c_client *client)
         int i;
 
         for (i = 0; i < MAX8660_V_END; i++)
-                if (max8660->rdev[i])
-                        regulator_unregister(max8660->rdev[i]);
+                regulator_unregister(max8660->rdev[i]);
         return 0;
 }
 
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 8a831947c351..2dd74e254397 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -923,8 +923,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
         return 0;
 err:
         for (i = 0; i < s5m8767->num_regulators; i++)
-                if (rdev[i])
-                        regulator_unregister(rdev[i]);
+                regulator_unregister(rdev[i]);
 
         return ret;
 }
@@ -936,8 +935,7 @@ static int s5m8767_pmic_remove(struct platform_device *pdev)
         int i;
 
         for (i = 0; i < s5m8767->num_regulators; i++)
-                if (rdev[i])
-                        regulator_unregister(rdev[i]);
+                regulator_unregister(rdev[i]);
 
         return 0;
 }
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 843ee0a9bb92..06e92761afdd 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -584,8 +584,7 @@ static int pmic_remove(struct spi_device *spi)
         if (!hw)
                 return 0;
         for (i = 0; i < N_REGULATORS; i++) {
-                if (hw->rdev[i])
-                        regulator_unregister(hw->rdev[i]);
+                regulator_unregister(hw->rdev[i]);
                 hw->rdev[i] = NULL;
         }
         spi_set_drvdata(spi, NULL);