[media] media: i2c: Convert to devm_kzalloc()

Using the managed function the kfree() calls can be removed from the
probe error path and the remove handler.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/media/i2c/tw9903.c b/drivers/media/i2c/tw9903.c
index 87880b19d8c3..285b759a5f7f 100644
--- a/drivers/media/i2c/tw9903.c
+++ b/drivers/media/i2c/tw9903.c
@@ -215,7 +215,7 @@ static int tw9903_probe(struct i2c_client *client,
         v4l_info(client, "chip found @ 0x%02x (%s)\n",
                         client->addr << 1, client->adapter->name);
 
-        dec = kzalloc(sizeof(struct tw9903), GFP_KERNEL);
+        dec = devm_kzalloc(&client->dev, sizeof(*dec), GFP_KERNEL);
         if (dec == NULL)
                 return -ENOMEM;
         sd = &dec->sd;
@@ -233,7 +233,6 @@ static int tw9903_probe(struct i2c_client *client,
                 int err = hdl->error;
 
                 v4l2_ctrl_handler_free(hdl);
-                kfree(dec);
                 return err;
         }
 
@@ -242,7 +241,6 @@ static int tw9903_probe(struct i2c_client *client,
 
         if (write_regs(sd, initial_registers) < 0) {
                 v4l2_err(client, "error initializing TW9903\n");
-                kfree(dec);
                 return -EINVAL;
         }
 
@@ -255,7 +253,6 @@ static int tw9903_remove(struct i2c_client *client)
 
         v4l2_device_unregister_subdev(sd);
         v4l2_ctrl_handler_free(&to_state(sd)->hdl);
-        kfree(to_state(sd));
         return 0;
 }