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video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init() 

[ Upstream commit ba236455ee750270f33998df57f982433cea4d8e ]

If devm_kzalloc() failed after the first time, atmel_lcdfb_of_init()
can't return -ENOMEM, fix this by putting the error code in loop.

Fixes: b985172b32 ("video: atmel_lcdfb: add device tree suport")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117061350.3453742-1-yangyingliang@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2020-11-17 14:13:50 +08:00 committed by Greg Kroah-Hartman
parent 953379fb7b
commit e8cd88c3ab
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/atmel_lcdfb.c
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@ -987,8 +987,8 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
}
INIT_LIST_HEAD(&pdata->pwr_gpios);
ret = -ENOMEM;
for (i = 0; i < gpiod_count(dev, "atmel,power-control"); i++) {
ret = -ENOMEM;
gpiod = devm_gpiod_get_index(dev, "atmel,power-control",
i, GPIOD_ASIS);
if (IS_ERR(gpiod))