regulator: ab8500 - fix the logic to remove already registered regulators in error...

In current implementation, ab8500_regulator_info[0].regulator is not
unregistered if the error happen at i > 0.

This patch fixes the resource leak and also improves the readability.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index cc7cbafc5b9482e31e0bb3f68ea4345e10e6d1f1..3d09580dc883245811d5607e3b56f7f829a2f95b 100644 (file)
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -369,11 +369,9 @@ static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
                        dev_err(&pdev->dev, "failed to register regulator %s\n",
                                        info->desc.name);
                        /* when we fail, un-register all earlier regulators */
-                       i--;
-                       while (i > 0) {
+                       while (--i >= 0) {
                                info = &ab8500_regulator_info[i];
                                regulator_unregister(info->regulator);
-                               i--;
                        }
                        return err;
                }