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authorAxel Lin <axel.lin@gmail.com>2012-03-15 12:49:09 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-26 18:32:11 +0100
commit5777d9b34aec841429ddade56403b3f53a821a1d (patch)
treee3c6b8dee5cf9f9884964d101f892de1a6fea287 /drivers/regulator
parent09bf14b901f2c1908b6a72fe934457acdd1fa430 (diff)
regulator: Fix unbalanced lock/unlock in mc13892_regulator_probe error path
We do not hold a lock while registering regulator, thus should not call unlock if regulator_register fails. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/mc13892-regulator.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index e8cfc99dd8f0..845aa2263b8a 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -552,7 +552,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
mc13xxx_lock(mc13892);
ret = mc13xxx_reg_read(mc13892, MC13892_REVISION, &val);
if (ret)
- goto err_free;
+ goto err_unlock;
/* enable switch auto mode */
if ((val & 0x0000FFFF) == 0x45d0) {
@@ -562,7 +562,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
MC13892_SWITCHERS4_SW1MODE_AUTO |
MC13892_SWITCHERS4_SW2MODE_AUTO);
if (ret)
- goto err_free;
+ goto err_unlock;
ret = mc13xxx_reg_rmw(mc13892, MC13892_SWITCHERS5,
MC13892_SWITCHERS5_SW3MODE_M |
@@ -570,7 +570,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
MC13892_SWITCHERS5_SW3MODE_AUTO |
MC13892_SWITCHERS5_SW4MODE_AUTO);
if (ret)
- goto err_free;
+ goto err_unlock;
}
mc13xxx_unlock(mc13892);
@@ -612,10 +612,10 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
err:
while (--i >= 0)
regulator_unregister(priv->regulators[i]);
+ return ret;
-err_free:
+err_unlock:
mc13xxx_unlock(mc13892);
-
return ret;
}