net: sched: validate stab values

[linux-2.6-microblaze.git] / include / net / red.h

diff --git a/include/net/red.h b/include/net/red.h
index 932f0d7..9e6647c 100644 (file)
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -168,7 +168,8 @@ static inline void red_set_vars(struct red_vars *v)
        v->qcount       = -1;
 }
 
-static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog, u8 Scell_log)
+static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog,
+                                   u8 Scell_log, u8 *stab)
 {
        if (fls(qth_min) + Wlog > 32)
                return false;
@@ -178,6 +179,13 @@ static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog, u8 Scell_
                return false;
        if (qth_max < qth_min)
                return false;
+       if (stab) {
+               int i;
+
+               for (i = 0; i < RED_STAB_SIZE; i++)
+                       if (stab[i] >= 32)
+                               return false;
+       }
        return true;
 }