From: Nishanth Menon <nm@ti.com>
Date: Sat, 7 Jun 2014 00:36:41 +0000 (-0500)
Subject: ARM: OMAP2+: powerdomain: pwrdm_for_each_clkdm iterate only valid clkdms
X-Git-Tag: v3.18-rc1~122^2~14^2~2^2~4
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=13bbffd4ebca57dfae59a3f13ff98dc417f89b23;p=linux.git

ARM: OMAP2+: powerdomain: pwrdm_for_each_clkdm iterate only valid clkdms

No need to invoke callback when the clkdm pointer is NULL.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---

diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index faebd5f076af..f391948c76b9 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -546,7 +546,8 @@ int pwrdm_for_each_clkdm(struct powerdomain *pwrdm,
 		return -EINVAL;
 
 	for (i = 0; i < PWRDM_MAX_CLKDMS && !ret; i++)
-		ret = (*fn)(pwrdm, pwrdm->pwrdm_clkdms[i]);
+		if (pwrdm->pwrdm_clkdms[i])
+			ret = (*fn)(pwrdm, pwrdm->pwrdm_clkdms[i]);
 
 	return ret;
 }