commit 2721a89ac41f2e7705484c1582c293c4eee5344d
author Dmitry Torokhov <dmitry.torokhov@gmail.com> Wed Mar 16 22:09:09 2011 -0700
committer Dmitry Torokhov <dmitry.torokhov@gmail.com> Wed Mar 16 23:28:23 2011 -0700
tree bf9631ffaa8364e360bdb38d8ea32fc234e5972b
parent b88aa494c27552e6fa94e4abaa5ea4f9b2f170a8

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>

drivers/input/touchscreen/tsc2005.c

diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index 596fd1f..732c81e 100644
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -634,8 +634,10 @@
 	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 @@
 	input_unregister_device(ts->idev);
 	kfree(ts);
 
+	spi_set_drvdata(spi, NULL);
 	return 0;
 }