malloc: fix not unlocking hotplug on fail to init

We lock the hotplug during init, but do not unlock it if we couldn't
register multiprocess callbacks. Add the missing unlock.

Fixes: 07dcbfe0101f ("malloc: support multiprocess memory hotplug")

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>

diff --git a/lib/librte_eal/common/malloc_heap.c b/lib/librte_eal/common/malloc_heap.c
index 41c14a8..590e9e3 100644 (file)
--- a/lib/librte_eal/common/malloc_heap.c
+++ b/lib/librte_eal/common/malloc_heap.c
@@ -815,6 +815,7 @@ rte_eal_malloc_heap_init(void)
 
        if (register_mp_requests()) {
                RTE_LOG(ERR, EAL, "Couldn't register malloc multiprocess actions\n");
+               rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
                return -1;
        }