[PATCH v4 2/8] interrupts: fix event arrays copy on instance duplication

[Anatoly Burakov]

The event FD and epoll event arrays are copied using the number of
entries as a byte count, so only a fraction of the entries make it
into the duplicate.

Copy the arrays by element size.

Fixes: b7c984291611 ("interrupts: add allocator and accessors")
Cc: stable at dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
 lib/eal/common/eal_common_interrupts.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/eal/common/eal_common_interrupts.c b/lib/eal/common/eal_common_interrupts.c
index 4520ff59bd7..cf56f967218 100644
--- a/lib/eal/common/eal_common_interrupts.c
+++ b/lib/eal/common/eal_common_interrupts.c
@@ -131,8 +131,8 @@ struct rte_intr_handle *rte_intr_instance_dup(const struct rte_intr_handle *src)
 	intr_handle->max_intr = src->max_intr;
 	intr_handle->nb_efd = src->nb_efd;
 	intr_handle->efd_counter_size = src->efd_counter_size;
-	memcpy(intr_handle->efds, src->efds, src->nb_intr);
-	memcpy(intr_handle->elist, src->elist, src->nb_intr);
+	memcpy(intr_handle->efds, src->efds, src->nb_intr * sizeof(*src->efds));
+	memcpy(intr_handle->elist, src->elist, src->nb_intr * sizeof(*src->elist));
 
 	return intr_handle;
 }
-- 
2.52.0