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authorYuanjun Gong <ruc_gongyuanjun@163.com>2023-07-28 01:03:18 +0800
committerHelge Deller <deller@gmx.de>2023-07-31 14:54:08 +0200
commit0872b2c0abc0e84ac82472959c8e14e35277549c (patch)
tree7f8ded2fb90af6a025e2d392bfea464088bdce94 /drivers/video/fbdev/mmp/hw/mmp_ctrl.c
parent43a1120c0578791a7cdac1978406d9bf486001d9 (diff)
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/hw/mmp_ctrl.c')
-rw-r--r--drivers/video/fbdev/mmp/hw/mmp_ctrl.c4
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);