Staging: atomisp: kfreeing a devm allocated pointer

We shouldn't pass devm allocated pointers to kfree() or it leads to a
double free.

Fixes: a49d2536 ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/atomisp/i2c/imx/otp_brcc064_e2prom.c

@@ -69,7 +69,6 @@ void *brcc064_otp_read(struct v4l2_subdev *sd, u8 dev_addr,
 
 		r = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
 		if (r != ARRAY_SIZE(msg)) {
-			kfree(buffer);
 			dev_err(&client->dev, "read failed at 0x%03x\n", addr);
 			return NULL;
 		}

drivers/staging/media/atomisp/i2c/imx/otp_e2prom.c

@@ -79,7 +79,6 @@ void *e2prom_otp_read(struct v4l2_subdev *sd, u8 dev_addr,
 
 		r = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
 		if (r != ARRAY_SIZE(msg)) {
-			kfree(buffer);
 			dev_err(&client->dev, "read failed at 0x%03x\n", addr);
 			return NULL;
 		}