[NEIGH] Print stack trace in neigh_add_timer
authorHerbert Xu <herbert@gondor.apana.org.au>
Sun, 23 Oct 2005 06:11:39 +0000 (16:11 +1000)
committerHerbert Xu <herbert@gondor.apana.org.au>
Sun, 23 Oct 2005 06:11:39 +0000 (16:11 +1000)
Stack traces are very helpful in determining the exact nature of a bug.
So let's print a stack trace when the timer is added twice.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
net/core/neighbour.c

index 4128fc76ac3a2906bc586c1f5b05ae670cdca686..766caa0dd9305be10468da8af20f72acb1f6922f 100644 (file)
@@ -732,6 +732,7 @@ static inline void neigh_add_timer(struct neighbour *n, unsigned long when)
        if (unlikely(mod_timer(&n->timer, when))) {
                printk("NEIGH: BUG, double timer add, state is %x\n",
                       n->nud_state);
+               dump_stack();
        }
 }