ARM: OMAP2+: Fix null hwmod for ti-sysc debug

[ Upstream commit 4769c003e0fcff0ee001a9102e2605bdaa5880f0 ]

We may call omap_hwmod_parse_module_range() with no hwmod allocated yet
and may have debug enabled. Let's fix this by checking for hwmod before
trying to use it's name.

Fixes: 6c72b3550672 ("ARM: OMAP2+: Parse module IO range from dts for legacy
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 2ceffd85dd3d3fbcc4f80ae831713b37d23a83f3..7f759abcf49c3db484a5820471f04c202fa27ebd 100644 (file)
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2220,7 +2220,7 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh,
        size = be32_to_cpup(ranges);
 
        pr_debug("omap_hwmod: %s %s at 0x%llx size 0x%llx\n",
-                oh->name, np->name, base, size);
+                oh ? oh->name : "", np->name, base, size);
 
        res->start = base;
        res->end = base + size - 1;