From: kernel test robot <lkp(a)intel.com&gt; drivers/gpu/drm/bridge/samsung-dsim.c:1637:10-17: WARNING: ERR_CAST can be used with dsi -> clks [ i ] drivers/gpu/drm/bridge/samsung-dsim.c:1651:9-16: WARNING: ERR_CAST can be used with dsi -> phy Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)) Generated by: scripts/coccinelle/api/err_cast.cocci CC: Michael Tretter <m.tretter(a)pengutronix.de&gt; Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://git.pengutronix.de/git/lst/linux imx8m-power-domains-testing head: 743ce97bc237b4b97ffa933cd03f5a6c8b401384 commit: 0ce8e59076392e581e9b82892a973b17d55f136b [44/58] drm/exynos: move bridge driver to bridges :::::: branch date: 5 hours ago :::::: commit date: 5 hours ago samsung-dsim.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1634,7 +1634,7 @@ static struct samsung_dsim *__samsung_ds dev_info(dev, "failed to get the clock: %s\n", clk_names[i]); - return ERR_PTR(PTR_ERR(dsi->clks[i])); + return ERR_CAST(dsi->clks[i]); } } @@ -1648,7 +1648,7 @@ static struct samsung_dsim *__samsung_ds dsi->phy = devm_phy_get(dev, "dsim"); if (IS_ERR(dsi->phy)) { dev_info(dev, "failed to get dsim phy\n"); - return ERR_PTR(PTR_ERR(dsi->phy)); + return ERR_CAST(dsi->phy); } dsi->irq = platform_get_irq(pdev, 0);