[media] tvp7002: use devm_kzalloc() instead of kzalloc()

I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so
simplifies their clean up paths.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c
index fb6a5b5..537f6b4 100644 (file)
--- a/drivers/media/i2c/tvp7002.c
+++ b/drivers/media/i2c/tvp7002.c
@@ -1036,7 +1036,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
                return -ENODEV;
        }
 
-       device = kzalloc(sizeof(struct tvp7002), GFP_KERNEL);
+       device = devm_kzalloc(&c->dev, sizeof(struct tvp7002), GFP_KERNEL);
 
        if (!device)
                return -ENOMEM;
@@ -1052,7 +1052,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
 
        error = tvp7002_read(sd, TVP7002_CHIP_REV, &revision);
        if (error < 0)
-               goto found_error;
+               return error;
 
        /* Get revision number */
        v4l2_info(sd, "Rev. %02x detected.\n", revision);
@@ -1063,21 +1063,21 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
        error = tvp7002_write_inittab(sd, tvp7002_init_default);
 
        if (error < 0)
-               goto found_error;
+               return error;
 
        /* Set polarity information after registers have been set */
        polarity_a = 0x20 | device->pdata->hs_polarity << 5
                        | device->pdata->vs_polarity << 2;
        error = tvp7002_write(sd, TVP7002_SYNC_CTL_1, polarity_a);
        if (error < 0)
-               goto found_error;
+               return error;
 
        polarity_b = 0x01  | device->pdata->fid_polarity << 2
                        | device->pdata->sog_polarity << 1
                        | device->pdata->clk_polarity;
        error = tvp7002_write(sd, TVP7002_MISC_CTL_3, polarity_b);
        if (error < 0)
-               goto found_error;
+               return error;
 
        /* Set registers according to default video mode */
        preset.preset = device->current_preset->preset;
@@ -1091,16 +1091,11 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
                int err = device->hdl.error;
 
                v4l2_ctrl_handler_free(&device->hdl);
-               kfree(device);
                return err;
        }
        v4l2_ctrl_handler_setup(&device->hdl);
 
-found_error:
-       if (error < 0)
-               kfree(device);
-
-       return error;
+       return 0;
 }
 
 /*
@@ -1120,7 +1115,6 @@ static int tvp7002_remove(struct i2c_client *c)
 
        v4l2_device_unregister_subdev(sd);
        v4l2_ctrl_handler_free(&device->hdl);
-       kfree(device);
        return 0;
 }