Fix e2p_percent() crash if percentage was zero.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/lib/e2p/ChangeLog b/lib/e2p/ChangeLog
index 488340100a19e2708d285fbad3b20a9ce4469bfb..75e2cd3b19502f893cf8d42608077891fba795bb 100644 (file)
--- a/lib/e2p/ChangeLog
+++ b/lib/e2p/ChangeLog
@@ -1,3 +1,8 @@
+2006-09-29  Theodore Tso  <tytso@mit.edu>
+
+       * percent.c (e2p_percent): Fix bug which caused e2p_percent to
+               crash if the percentage was zero.
+
 2006-08-30  Theodore Tso  <tytso@mit.edu>
 
        * percent.c (e2p_percent): Add a new function which accurate and

diff --git a/lib/e2p/percent.c b/lib/e2p/percent.c
index f4497b6f08ab7f9ca5a883acb470b1ce377503d3..b8c936df405fd89bab74635e1660c0acd3bad045 100644 (file)
--- a/lib/e2p/percent.c
+++ b/lib/e2p/percent.c
@@ -19,6 +19,8 @@ unsigned int e2p_percent(int percent, unsigned int base)
 {
        unsigned int mask = ~((1 << (sizeof(unsigned int) - 1) * 8) - 1);
 
+       if (!percent)
+               return 0;
        if (100 % percent == 0)
                return base / (100 / percent);
        if (mask & base)