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| author | Yuanjun Gong <ruc_gongyuanjun@163.com> | 2023-07-27 19:03:18 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2023-07-31 14:54:08 +0200 |
| commit | 0872b2c0abc0e84ac82472959c8e14e35277549c (patch) | |
| tree | 7f8ded2fb90af6a025e2d392bfea464088bdce94 | |
| parent | fbdev: amifb: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper (diff) | |
| download | linux-0872b2c0abc0e84ac82472959c8e14e35277549c.tar.xz linux-0872b2c0abc0e84ac82472959c8e14e35277549c.zip | |
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: d63028c38905 ("video: mmp display controller support")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Signed-off-by: Helge Deller <deller@gmx.de>
| -rw-r--r-- | drivers/video/fbdev/mmp/hw/mmp_ctrl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index 51fbf02a0343..76b50b6c98ad 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -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); |