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[NEIGH] Print stack trace in neigh_add_timer

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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>
This commit is contained in:
Herbert Xu 2005-10-23 16:11:39 +10:00
parent d475f3f47a
commit 203755029e
1 changed files with 1 additions and 0 deletions
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net/core/neighbour.c
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@ -732,6 +732,7 @@ static inline void neigh_add_timer(struct neighbour *n, unsigned long when)
if (unlikely(mod_timer(&n->timer, when))) { if (unlikely(mod_timer(&n->timer, when))) {
printk("NEIGH: BUG, double timer add, state is %x\n", printk("NEIGH: BUG, double timer add, state is %x\n",
n->nud_state); n->nud_state);
dump_stack();
} }
} }