From: Aaro Koskinen <Aaro.Koskinen@nokia.com>
Date: Fri, 7 Jan 2011 03:49:28 +0000 (-0800)
Subject: arm: mach-omap2: mux: fix buffer overrun
X-Git-Tag: firefly_0821_release~7613^2~2698^2~25
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3083314238afb593b598dca4bab4bb6ae09a6c82;p=firefly-linux-kernel-4.4.55.git

arm: mach-omap2: mux: fix buffer overrun

memcpy() copies 8 bytes too much (omap_mux_entry vs. omap_mux). Correct
by replacing memcpy() with struct assignment, which is safer.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 17bd6394d224..df8d2f2872c6 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -893,7 +893,7 @@ static struct omap_mux * __init omap_mux_list_add(
 		return NULL;
 
 	m = &entry->mux;
-	memcpy(m, src, sizeof(struct omap_mux_entry));
+	entry->mux = *src;
 
 #ifdef CONFIG_OMAP_MUX
 	if (omap_mux_copy_names(src, m)) {