From: Benoit Cousson <b-cousson@ti.com>
Date: Fri, 1 Oct 2010 23:35:26 +0000 (-0700)
Subject: omap4 hsmmc: Fix the init if CONFIG_MMC_OMAP_HS is not set
X-Git-Tag: firefly_0821_release~7613^2~3644^2~26^3~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=531c21ba1a298422ace28efbcdf94d5579a1b702;p=firefly-linux-kernel-4.4.55.git

omap4 hsmmc: Fix the init if CONFIG_MMC_OMAP_HS is not set

Avoid possible crash if CONFIG_MMC_OMAP_HS is not set

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 1bed1e666a60..cdb93734dd72 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -275,8 +275,14 @@ static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 
 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 {
-	struct omap_mmc_platform_data *pdata = dev->platform_data;
+	struct omap_mmc_platform_data *pdata;
 
+	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
+	if (!dev) {
+		pr_err("Failed %s\n", __func__);
+		return;
+	}
+	pdata = dev->platform_data;
 	pdata->init =	omap4_twl6030_hsmmc_late_init;
 }