Nicholas Krause wrote:
> This converts the if statement for dumping the stack into a
> WARN_ON in order to make this function's debugging check
> simpler and have a cleaner output when this condition
> occurs inside this function for when bugs related to
> adding a duplicate neighbour table timer arise.
>
> Signed-off-by: Nicholas Krause <xerofo...@gmail.com>
> ---
> net/core/neighbour.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/net/core/neighbour.c b/net/core/neighbour.c
> index 3de6542..0bf71da 100644
> --- a/net/core/neighbour.c
> +++ b/net/core/neighbour.c
> @@ -165,11 +165,7 @@ static int neigh_forced_gc(struct neigh_table *tbl)
> static void neigh_add_timer(struct neighbour *n, unsigned long when)
> {
> neigh_hold(n);
> - if (unlikely(mod_timer(&n->timer, when))) {
> - printk("NEIGH: BUG, double timer add, state is %x\n",
> - n->nud_state);
> - dump_stack();
> - }
> + WARN_ON(unlikely(mod_timer(&n->timer, when)));
> }
NACK, please do not use WARN_ON for things with side effects.
--yoshfuji
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