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mmc: rockchip_sdhci: Correct error checking

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A pointer can not be negative. Use macro IS_ERR_OR_NULL() for checking.

Signed-off-by: Haolin Li <li.haolin@qq.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Haolin Li 2022-03-22 05:58:02 -07:00 committed by Kever Yang
parent 9859465bfe
commit fdda7901cc
1 changed files with 1 additions and 1 deletions
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drivers/mmc/rockchip_sdhci.c
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@ -227,7 +227,7 @@ static int rk3399_emmc_get_phy(struct udevice *dev)
}
grf_base = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
if (grf_base < 0) {
if (IS_ERR_OR_NULL(grf_base)) {
printf("%s Get syscon grf failed", __func__);
return -ENODEV;
}