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.s...@pengutronix.de>
Cc: Mauro Carvalho Chehab <mche...@infradead.org>
---

Found using coccinelle, then reviewed. Full patchset is available via
kernel-janitors, linux-i2c, and LKML.
---
 drivers/media/radio/radio-tea5764.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/media/radio/radio-tea5764.c 
b/drivers/media/radio/radio-tea5764.c
index 8e718bf..8a6be0a 100644
--- a/drivers/media/radio/radio-tea5764.c
+++ b/drivers/media/radio/radio-tea5764.c
@@ -571,6 +571,7 @@ static int __devinit tea5764_i2c_probe(struct i2c_client 
*client,
        return 0;
 errrel:
        video_device_release(radio->videodev);
+       i2c_set_clientdata(client, NULL);
 errfr:
        kfree(radio);
        return ret;
@@ -584,6 +585,7 @@ static int __devexit tea5764_i2c_remove(struct i2c_client 
*client)
        if (radio) {
                tea5764_power_down(radio);
                video_unregister_device(radio->videodev);
+               i2c_set_clientdata(client, NULL);
                kfree(radio);
        }
        return 0;
-- 
1.7.0

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to