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[PATCH] IB: unmap FMRs when destroying FMR pool

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Make sure that all FMRs are unmapped before we deallocate them so that
we don't leak references to our protection domain when destroying an
FMR pool.  (Bug reported by Guy German <guyg@voltaire.com>)

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2005-08-15 07:35:16 -07:00 committed by Roland Dreier
parent 2e8b981c5d
commit ffbf4c34f1
1 changed files with 6 additions and 0 deletions
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6
drivers/infiniband/core/fmr_pool.c
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@ -334,6 +334,7 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
{
struct ib_pool_fmr *fmr;
struct ib_pool_fmr *tmp;
LIST_HEAD(fmr_list);
int i;
kthread_stop(pool->thread);
@ -341,6 +342,11 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
i = 0;
list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) {
if (fmr->remap_count) {
INIT_LIST_HEAD(&fmr_list);
list_add_tail(&fmr->fmr->list, &fmr_list);
ib_unmap_fmr(&fmr_list);
}
ib_dealloc_fmr(fmr->fmr);
list_del(&fmr->list);
kfree(fmr);