ringtest: ring.c malloc & memset to calloc

Web:        https://git.kernel.org/torvalds/c/03ee47ae8a7c608975be7e45287bff0482e295d6
Commit:     03ee47ae8a7c608975be7e45287bff0482e295d6
Parent:     0063e8bbd2b62d13645d416625478c2199fdee0f
Refname:    refs/heads/master
Author:     Peter Malone <[email protected]>
AuthorDate: Thu Feb 16 15:42:26 2017 -0500
Committer:  Michael S. Tsirkin <[email protected]>
CommitDate: Thu Feb 1 16:26:46 2018 +0200

    ringtest: ring.c malloc & memset to calloc
    
    Code cleanup change - moving from malloc & memset to calloc.
    
    Signed-off-by: Peter Malone <[email protected]>
    Signed-off-by: Michael S. Tsirkin <[email protected]>
---
 tools/virtio/ringtest/ring.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/virtio/ringtest/ring.c b/tools/virtio/ringtest/ring.c
index 2b9859beea65..5a41404aaef5 100644
--- a/tools/virtio/ringtest/ring.c
+++ b/tools/virtio/ringtest/ring.c
@@ -84,12 +84,11 @@ void alloc_ring(void)
 		perror("Unable to allocate ring buffer.\n");
 		exit(3);
 	}
-	event = malloc(sizeof *event);
+	event = calloc(1, sizeof(*event));
 	if (!event) {
 		perror("Unable to allocate event buffer.\n");
 		exit(3);
 	}
-	memset(event, 0, sizeof *event);
 	guest.avail_idx = 0;
 	guest.kicked_avail_idx = -1;
 	guest.last_used_idx = 0;
@@ -102,12 +101,11 @@ void alloc_ring(void)
 		ring[i] = desc;
 	}
 	guest.num_free = ring_size;
-	data = malloc(ring_size * sizeof *data);
+	data = calloc(ring_size, sizeof(*data));
 	if (!data) {
 		perror("Unable to allocate data buffer.\n");
 		exit(3);
 	}
-	memset(data, 0, ring_size * sizeof *data);
 }
 
 /* guest side */
--
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