From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 20 Mar 2010 14:13:01 +0000 (+0100)
Subject: Staging: go7007: fix dangling i2c pointers
X-Git-Tag: MMI-PSA29.97-13-9~23841^2^2~430
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=665752e528c32e40d9f5c684abd53ebd2f1ae724;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

Staging: go7007: fix dangling i2c pointers

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.sang@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c
index 5c12b4d38459..bd925457f8b7 100644
--- a/drivers/staging/go7007/wis-saa7113.c
+++ b/drivers/staging/go7007/wis-saa7113.c
@@ -289,6 +289,7 @@ static int wis_saa7113_probe(struct i2c_client *client,
 	if (write_regs(client, initial_registers) < 0) {
 		printk(KERN_ERR
 			"wis-saa7113: error initializing SAA7113\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(dec);
 		return -ENODEV;
 	}
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
index 73f2283a8803..b2eb804c1954 100644
--- a/drivers/staging/go7007/wis-saa7115.c
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -422,6 +422,7 @@ static int wis_saa7115_probe(struct i2c_client *client,
 	if (write_regs(client, initial_registers) < 0) {
 		printk(KERN_ERR
 			"wis-saa7115: error initializing SAA7115\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(dec);
 		return -ENODEV;
 	}
diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c
index 3ac6f785c4ad..2afea09091b9 100644
--- a/drivers/staging/go7007/wis-tw9903.c
+++ b/drivers/staging/go7007/wis-tw9903.c
@@ -294,6 +294,7 @@ static int wis_tw9903_probe(struct i2c_client *client,
 
 	if (write_regs(client, initial_registers) < 0) {
 		printk(KERN_ERR "wis-tw9903: error initializing TW9903\n");
+		i2c_set_clientdata(client, NULL);
 		kfree(dec);
 		return -ENODEV;
 	}