Add check for the return value of clk_enable() andreturn the error
if it fails in order to catch the error.

Signed-off-by: Chen Ni <[email protected]>
---
 drivers/video/fbdev/au1100fb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c
index 6251a6b07b3a..5e7a8f018b7b 100644
--- a/drivers/video/fbdev/au1100fb.c
+++ b/drivers/video/fbdev/au1100fb.c
@@ -567,13 +567,16 @@ int au1100fb_drv_suspend(struct platform_device *dev, 
pm_message_t state)
 int au1100fb_drv_resume(struct platform_device *dev)
 {
        struct au1100fb_device *fbdev = platform_get_drvdata(dev);
+       int  ret;
 
        if (!fbdev)
                return 0;
 
        memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs));
 
-       clk_enable(fbdev->lcdclk);
+       ret = clk_enable(fbdev->lcdclk);
+       if (ret)
+               return ret;
 
        /* Unblank the LCD */
        au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info);
-- 
2.25.1

Reply via email to