Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH] video: fbdev: pxafb: Handle return value of clk_prepare_enable | Date | Wed, 7 Jun 2017 15:22:09 +0530 |
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clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- drivers/video/fbdev/pxafb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index b21a89b..c3d49e1 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -1436,7 +1436,10 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3); /* enable LCD controller clock */ - clk_prepare_enable(fbi->clk); + if (clk_prepare_enable(fbi->clk)) { + pr_err("%s: Failed to prepare clock\n", __func__); + return; + } if (fbi->lccr0 & LCCR0_LCDT) return; -- 1.9.1
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