1 files changed, 9 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 3f59bd12cbbf..5fedc50c58e4 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -486,7 +486,7 @@ int __init omap_mux_init_signal(char *muxname, int val)
 static inline void omap_mux_decode(struct seq_file *s, u16 val)
 {
         char *flags[OMAP_MUX_MAX_NR_FLAGS];
-        char mode[14];
+        char mode[sizeof("OMAP_MUX_MODE") + 1];
         int i = -1;
 
         sprintf(mode, "OMAP_MUX_MODE%d", val & 0x7);
@@ -553,6 +553,7 @@ static int omap_mux_dbg_board_show(struct seq_file *s, void *unused)
                 if (!m0_name)
                         continue;
 
+                /* REVISIT: Needs to be updated if mode0 names get longer */
                 for (i = 0; i < OMAP_MUX_DEFNAME_LEN; i++) {
                         if (m0_name[i] == '\0') {
                                 m0_def[i] = m0_name[i];
@@ -968,6 +969,13 @@ static void __init omap_mux_init_list(struct omap_mux *superset)
                 }
 #endif
 
+#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)
+                if (!superset->muxnames || !superset->muxnames[0]) {
+                        superset++;
+                        continue;
+                }
+#endif
+
                 entry = omap_mux_list_add(superset);
                 if (!entry) {
                         printk(KERN_ERR "mux: Could not add entry\n");