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| author | Wolfram Sang <w.sang@pengutronix.de> | 2010-03-20 17:12:54 +0300 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2010-05-28 03:37:28 +0400 |
| commit | f322d5f0097333343bfd92b47258ee997c889263 (patch) | |
| tree | d6f0d4b0e0f6e6a8fa778a73c740916ca5616dd2 /drivers/mfd/ab3100-core.c | |
| parent | d84027bc4d176a0c06e8f62a9f7a002bdd444012 (diff) | |
| download | linux-f322d5f0097333343bfd92b47258ee997c889263.tar.xz | |
mfd: 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>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/ab3100-core.c')
| -rw-r--r-- | drivers/mfd/ab3100-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index e4ca5909e424..16898211cd1a 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -920,6 +920,7 @@ static int __init ab3100_probe(struct i2c_client *client, i2c_unregister_device(ab3100->testreg_client); exit_no_testreg_client: exit_no_detect: + i2c_set_clientdata(client, NULL); kfree(ab3100); return err; } @@ -941,6 +942,7 @@ static int __exit ab3100_remove(struct i2c_client *client) * their notifiers so deactivate IRQ */ free_irq(client->irq, ab3100); + i2c_set_clientdata(client, NULL); kfree(ab3100); return 0; } |