Commit 20375502 authored by Herbert Xu's avatar Herbert Xu

[NEIGH] Print stack trace in neigh_add_timer

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: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent d475f3f4
......@@ -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();
}
}
......
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