From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Sat, 22 Feb 2014 10:12:15 +0000 (+0100)
Subject: v4l2-compliance: add new mmap tests.
X-Git-Tag: v4l-utils-1.2.0~193
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9286393ecc3f64f68116f86c8e9daafa826faa82;p=platform%2Fupstream%2Fv4l-utils.git

v4l2-compliance: add new mmap tests.

Check that mmap on a v4l2 node will fail for USERPTR and DMABUF
memory modes.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---

diff --git a/utils/v4l2-compliance/v4l2-test-buffers.cpp b/utils/v4l2-compliance/v4l2-test-buffers.cpp
index dd5a24b..99d61ae 100644
--- a/utils/v4l2-compliance/v4l2-test-buffers.cpp
+++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp
@@ -759,6 +759,13 @@ static int setupUserPtr(struct node *node, struct v4l2_requestbuffers &bufs)
 		unsigned num_planes = process_buf(buf, planes);
 
 		for (unsigned p = 0; p < num_planes; p++) {
+			// This should not work!
+			ptrs[i][p] = test_mmap(NULL, planes[p].length,
+					PROT_READ | PROT_WRITE, MAP_SHARED, node->fd, 0);
+			fail_on_test(ptrs[i][p] != MAP_FAILED);
+		}
+
+		for (unsigned p = 0; p < num_planes; p++) {
 			ptrs[i][p] = malloc(planes[p].length);
 			fail_on_test(ptrs[i][p] == NULL);
 		}
@@ -946,6 +953,13 @@ static int setupDmaBuf(struct node *expbuf_node, struct node *node,
 				fail_on_test(expbuf_planes[p].length < planes[p].length);
 
 		for (unsigned p = 0; p < num_planes; p++) {
+			// This should not work!
+			ptrs[i][p] = test_mmap(NULL, planes[p].length,
+					PROT_READ | PROT_WRITE, MAP_SHARED, node->fd, 0);
+			fail_on_test(ptrs[i][p] != MAP_FAILED);
+		}
+
+		for (unsigned p = 0; p < num_planes; p++) {
 			memset(&expbuf, 0, sizeof(expbuf));
 			expbuf.type = expbuf_bufs.type;
 			expbuf.index = i;