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| author | Wolfram Sang <w.sang@pengutronix.de> | 2010-03-20 15:12:58 +0100 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2010-03-22 19:46:16 +0000 |
| commit | 8b4709ecea4aab1957ae7b726d6824485404a3a5 (patch) | |
| tree | a06347a92952b086cb48e8186682daf4f9884548 /drivers/regulator/max8649.c | |
| parent | 451a73cd46573444f68f412c87439c0a291718ec (diff) | |
| download | linux-stable-8b4709ecea4aab1957ae7b726d6824485404a3a5.tar.gz linux-stable-8b4709ecea4aab1957ae7b726d6824485404a3a5.tar.bz2 linux-stable-8b4709ecea4aab1957ae7b726d6824485404a3a5.zip | |
regulator: fix dangling pointers
Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator/max8649.c')
| -rw-r--r-- | drivers/regulator/max8649.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c index 3ebdf698c648..833aaedc7e64 100644 --- a/drivers/regulator/max8649.c +++ b/drivers/regulator/max8649.c @@ -356,6 +356,7 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client, dev_info(info->dev, "Max8649 regulator device is detected.\n"); return 0; out: + i2c_set_clientdata(client, NULL); kfree(info); return ret; } @@ -367,9 +368,9 @@ static int __devexit max8649_regulator_remove(struct i2c_client *client) if (info) { if (info->regulator) regulator_unregister(info->regulator); + i2c_set_clientdata(client, NULL); kfree(info); } - i2c_set_clientdata(client, NULL); return 0; } |