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>
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 67181b1..3ad915d 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -544,6 +544,7 @@
struct da903x_chip *chip = i2c_get_clientdata(client);
da903x_remove_subdevs(chip);
+ i2c_set_clientdata(client, NULL);
kfree(chip);
return 0;
}