[dpdk-dev] [PATCH] eal: fix floating device argument pointer
Thomas Monjalon
thomas at monjalon.net
Mon Oct 22 09:25:22 CEST 2018
22/10/2018 07:49, Qi Zhang:
> After we insert a devargs into devargs_list, following bus->scan may
> destroy it due to another rte_devargs_insert. Its better not to use
> a devargs pointer after it has been inserted.
I think the problem is in:
rte_devargs_insert(struct rte_devargs *da)
{
int ret;
ret = rte_devargs_remove(da);
if (ret < 0)
return ret;
TAILQ_INSERT_TAIL(&devargs_list, da, next);
return 0;
}
We insert a structure which is freed!
See http://git.dpdk.org/dpdk/commit/?id=55744d83d525
Gaetan, what can be the fix?
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