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 <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---

Found using coccinelle, then reviewed. Full patchset is available via
kernel-janitors, linux-i2c, and LKML.
---
 drivers/staging/dream/synaptics_i2c_rmi.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/dream/synaptics_i2c_rmi.c 
b/drivers/staging/dream/synaptics_i2c_rmi.c
index 4de6bc9..a318c18 100644
--- a/drivers/staging/dream/synaptics_i2c_rmi.c
+++ b/drivers/staging/dream/synaptics_i2c_rmi.c
@@ -534,6 +534,7 @@ err_input_register_device_failed:
 err_input_dev_alloc_failed:
 err_detect_failed:
 err_power_failed:
+       i2c_set_clientdata(client, NULL);
        kfree(ts);
 err_alloc_data_failed:
 err_check_functionality_failed:
@@ -551,6 +552,7 @@ static int synaptics_ts_remove(struct i2c_client *client)
        else
                hrtimer_cancel(&ts->timer);
        input_unregister_device(ts->input_dev);
+       i2c_set_clientdata(client, NULL);
        kfree(ts);
        return 0;
 }
-- 
1.7.0

--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to