From 178fcf6646f0cada83c038dac5042b5e28949eca Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 15 Apr 2020 09:39:48 +0200
Subject: drm/st7735r: Use devm_drm_dev_alloc
Git-commit: 14877bc715973d145d977e6054d5d2b6468ff460
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Already using devm_drm_dev_init, so very simple replacment.
Aside: There was an oddity in the old code, we allocated priv but in
the error path we've freed priv->dbidev ...
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/20200415074034.175360-14-daniel.vetter@ffwll.ch
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/tiny/st7735r.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index c2c7dc0224dd..0af1b15efdf8 100644
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -195,21 +195,16 @@ static int st7735r_probe(struct spi_device *spi)
if (!cfg)
cfg = (void *)spi_get_device_id(spi)->driver_data;
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ priv = devm_drm_dev_alloc(dev, &st7735r_driver,
+ struct st7735r_priv, dbidev.drm);
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
dbidev = &priv->dbidev;
priv->cfg = cfg;
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &st7735r_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
- drmm_add_final_kfree(drm, dbidev);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
--
2.28.0