Hey Qiheng,

Thanks for submitting this bugfix.

The title of this patch should probably be: drm: bridge: it66121: fix wrong pointer passed to PTR_ERR()

With this fixed, feel free to add my r-b. Reviewed-by: Robert Foss robert.foss@linaro.org

On Fri, 14 May 2021 at 09:03, Qiheng Lin linqiheng@huawei.com wrote:

PTR_ERR should access the value just tested by IS_ERR, otherwise the wrong error code will be returned.

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Qiheng Lin linqiheng@huawei.com

---

drivers/gpu/drm/bridge/ite-it66121.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index d8a60691fd32..6980c9801d0d 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -943,7 +943,7 @@ static int it66121_probe(struct i2c_client *client, ctx->regmap = devm_regmap_init_i2c(client, &it66121_regmap_config); if (IS_ERR(ctx->regmap)) { ite66121_power_off(ctx);

•           return PTR_ERR(ctx);
  

•           return PTR_ERR(ctx->regmap);
    }
  
    regmap_read(ctx->regmap, IT66121_VENDOR_ID0_REG, &vendor_ids[0]);