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author | Yuanjun Gong <ruc_gongyuanjun@163.com> | 2023-07-28 01:03:18 +0800 |
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committer | Helge Deller <deller@gmx.de> | 2023-07-31 14:54:08 +0200 |
commit | 0872b2c0abc0e84ac82472959c8e14e35277549c (patch) | |
tree | 7f8ded2fb90af6a025e2d392bfea464088bdce94 /drivers/video/fbdev/mmp | |
parent | 43a1120c0578791a7cdac1978406d9bf486001d9 (diff) | |
download | linux-stable-0872b2c0abc0e84ac82472959c8e14e35277549c.tar.gz linux-stable-0872b2c0abc0e84ac82472959c8e14e35277549c.tar.bz2 linux-stable-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>
Diffstat (limited to 'drivers/video/fbdev/mmp')
-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); |