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 5c12b4d..bd92545 100644 (file)
--- 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 73f2283..b2eb804 100644 (file)
--- 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 3ac6f78..2afea09 100644 (file)
--- 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;
        }