Staging: iio: light: fix dangling pointers
authorWolfram Sang <w.sang@pengutronix.de>
Sat, 20 Mar 2010 14:13:03 +0000 (15:13 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 30 Apr 2010 16:30:08 +0000 (09:30 -0700)
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>
drivers/staging/iio/light/tsl2563.c

index 1ba4aa392f6e75955415c7bd2f8e1bc16a9e74e2..8770a00e365225239b98e0f46e4868a02e1957fa 100644 (file)
@@ -682,6 +682,7 @@ static int __devinit tsl2563_probe(struct i2c_client *client,
 fail2:
        iio_device_unregister(chip->indio_dev);
 fail1:
+       i2c_set_clientdata(client, NULL);
        kfree(chip);
        return err;
 }
@@ -692,6 +693,7 @@ static int tsl2563_remove(struct i2c_client *client)
 
        iio_device_unregister(chip->indio_dev);
 
+       i2c_set_clientdata(client, NULL);
        kfree(chip);
        return 0;
 }