regulator: 88pm800: Fix checking whether num_regulator is valid

The code to check whether num_regulator is valid is wrong because it should
iterate all array entries rather than break from the for loop if
pdata->regulators[i] is NULL.

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

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c
index b4c29b1c52a5..f42356552f21 100644
--- a/drivers/regulator/88pm800.c
+++ b/drivers/regulator/88pm800.c
@@ -299,10 +299,13 @@ static int pm800_regulator_probe(struct platform_device *pdev)
                         return -ENODEV;
                 }
         } else if (pdata->num_regulators) {
-                /* Check whether num_regulator is valid. */
                 unsigned int count = 0;
-                for (i = 0; pdata->regulators[i]; i++)
-                        count++;
+
+                /* Check whether num_regulator is valid. */
+                for (i = 0; ARRAY_SIZE(pdata->regulators); i++) {
+                        if (pdata->regulators[i])
+                                count++;
+                }
                 if (count != pdata->num_regulators)
                         return -EINVAL;
         } else {