fbdev: mmp: fix value check in mmphw_probe()

in mmphw_probe(), check the return value of clk_prepare_enable()
and return the error code if clk_prepare_enable() returns an
unexpected value.

Fixes: d63028c389 ("video: mmp display controller support")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Yuanjun Gong 2023-07-28 01:03:18 +08:00 committed by Helge Deller
parent 43a1120c05
commit 0872b2c0ab

View File

@ -519,7 +519,9 @@ static int mmphw_probe(struct platform_device *pdev)
"unable to get clk %s\n", mi->clk_name);
goto failed;
}
clk_prepare_enable(ctrl->clk);
ret = clk_prepare_enable(ctrl->clk);
if (ret)
goto failed;
/* init global regs */
ctrl_set_default(ctrl);