drm/st7586: Use devm_drm_dev_alloc

Already using devm_drm_dev_init, so very simple replacment.

Acked-by: David Lechner <david@lechnology.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-15-daniel.vetter@ffwll.ch

diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
index c3295c717ba687545cc61e0e021b3c8bd27fb9b3..2a1fae422f7a210e68fc06da4722d31886d6a115 100644 (file)
--- a/drivers/gpu/drm/tiny/st7586.c
+++ b/drivers/gpu/drm/tiny/st7586.c
@@ -317,18 +317,13 @@ static int st7586_probe(struct spi_device *spi)
        size_t bufsize;
        int ret;
 
-       dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
-       if (!dbidev)
-               return -ENOMEM;
+       dbidev = devm_drm_dev_alloc(dev, &st7586_driver,
+                                   struct mipi_dbi_dev, drm);
+       if (IS_ERR(dbidev))
+               return PTR_ERR(dbidev);
 
        dbi = &dbidev->dbi;
        drm = &dbidev->drm;
-       ret = devm_drm_dev_init(dev, drm, &st7586_driver);
-       if (ret) {
-               kfree(dbidev);
-               return ret;
-       }
-       drmm_add_final_kfree(drm, dbidev);
 
        bufsize = (st7586_mode.vdisplay + 2) / 3 * st7586_mode.hdisplay;