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Staging: iio: adc: 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: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Wolfram Sang 2010-03-20 15:13:02 +01:00 committed by Greg Kroah-Hartman
parent b36fc07dc3
commit ee58cb2bcd
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/iio/adc/max1363_core.c
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@ -557,6 +557,7 @@ error_put_reg:
if (!IS_ERR(st->reg))
regulator_put(st->reg);
error_free_st:
i2c_set_clientdata(client, NULL);
kfree(st);
error_ret:
@ -574,6 +575,7 @@ static int max1363_remove(struct i2c_client *client)
regulator_disable(st->reg);
regulator_put(st->reg);
}
i2c_set_clientdata(client, NULL);
kfree(st);
return 0;