Patch "[media] cxd2820r: fix gpio null pointer dereference" has been added to the 4.9-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
[media] cxd2820r: fix gpio null pointer dereference
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
cxd2820r-fix-gpio-null-pointer-dereference.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
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0ffb94b6cc5df6376ab6bff5b80075641f6716f8Mon Sep 17 00:00:00 2001
From: Antti Palosaari <[email protected]>
Date: Mon, 16 Jan 2017 19:27:41 -0200
Subject: [media] cxd2820r: fix gpio null pointer dereference
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From: Antti Palosaari <[email protected]>
commit 0ffb94b6cc5df6376ab6bff5b80075641f6716f8 upstream.
Setting GPIOs during probe causes null pointer deference when GPIOLIB was not selected by Kconfig. Initialize driver private field before calling set gpios.
It is regressing bug since 4.9.
--- drivers/media/dvb-frontends/cxd2820r_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/media/dvb-frontends/cxd2820r_core.c +1 -1
@@ -615,6 +615,7 @@ static int cxd2820r_probe(struct i2c_cli } priv->client[0 ] = client; + priv->fe.demodulator_priv = priv; priv->i2c = client->adapter; priv->ts_mode = pdata->ts_mode; priv->ts_clk_inv = pdata->ts_clk_inv;
@@ -697,7 +698,6 @@ static int cxd2820r_probe(struct i2c_climemcpy (&priv->fe.ops, &cxd2820r_ops,sizeof (priv->fe.ops));if (!pdata->attach_in_use) priv->fe.ops.release =NULL ; - priv->fe.demodulator_priv = priv;i2c_set_clientdata (client, priv);/* Setup callbacks */
Patches currently in stable-queue which might be from [email protected] are
queue-4.9/cxd2820r-fix-gpio-null-pointer-dereference.patch