Input: tsc2005 - clear driver data after unbinding

We should not leave garbage pointers in driver structure after we unbind
it from the device or if bind fails.

Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index 596fd1f01b22..732c81e9a3e6 100644
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -634,8 +634,10 @@ static int __devinit tsc2005_probe(struct spi_device *spi)
         spi_setup(spi);
 
         r = tsc2005_setup(ts, pdata);
-        if (r)
+        if (r) {
                 kfree(ts);
+                spi_set_drvdata(spi, NULL);
+        }
         return r;
 }
 
@@ -659,6 +661,7 @@ static int __devexit tsc2005_remove(struct spi_device *spi)
         input_unregister_device(ts->idev);
         kfree(ts);
 
+        spi_set_drvdata(spi, NULL);
         return 0;
 }