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| author | Axel Lin <axel.lin@gmail.com> | 2011-07-15 06:50:43 +0400 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2011-07-22 14:43:59 +0400 |
| commit | 1a6958e79f9e191c89fe0c13f7452b0bd8097050 (patch) | |
| tree | b857e86f6ffe1e25a391059b153ac5f910e1ea3f | |
| parent | 89f425ed5bf3d4fd97e840296dccd75b8e0fe4c9 (diff) | |
| download | linux-1a6958e79f9e191c89fe0c13f7452b0bd8097050.tar.xz | |
regulator: Fix memory leak in set_machine_constraints() error paths
Properly kfree rdev->constraints in all set_machine_constraints() error paths.
Also properly kfree rdev->constraints in regulator_register() error paths.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
| -rw-r--r-- | drivers/regulator/core.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 3700d0953d73..a01954456752 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -794,7 +794,6 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, if (ret < 0) { rdev_err(rdev, "failed to apply %duV constraint\n", rdev->constraints->min_uV); - rdev->constraints = NULL; return ret; } } @@ -897,7 +896,6 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = suspend_prepare(rdev, rdev->constraints->initial_state); if (ret < 0) { rdev_err(rdev, "failed to set suspend state\n"); - rdev->constraints = NULL; goto out; } } @@ -924,13 +922,15 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = ops->enable(rdev); if (ret < 0) { rdev_err(rdev, "failed to enable\n"); - rdev->constraints = NULL; goto out; } } print_constraints(rdev); + return 0; out: + kfree(rdev->constraints); + rdev->constraints = NULL; return ret; } @@ -2701,6 +2701,7 @@ unset_supplies: unset_regulator_supplies(rdev); scrub: + kfree(rdev->constraints); device_unregister(&rdev->dev); /* device core frees rdev */ rdev = ERR_PTR(ret); |