misc.c format_sound_value guard division by zero

Change-Id: I7085cb34d2258aa5fc7e04fc0e73d6f733810038

1 files changed, 5 insertions, 0 deletions

diff --git a/apps/misc.c b/apps/misc.c
index 96ad534c68..293154c942 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -1049,6 +1049,11 @@ int format_sound_value(char *buf, size_t size, int snd, int val)
     int physval = sound_val2phys(snd, val);
 
     unsigned int factor = ipow(10, numdec);
+    if (factor == 0)
+    {
+        DEBUGF("DIVISION BY ZERO: format_sound_value s:%d v:%d", snd, val);
+        factor = 1;
+    }
     unsigned int av = abs(physval);
     unsigned int i = av / factor;
     unsigned int d = av - i*factor;