linux-kernel - [BUGFIX PATCH v2 5/5] selftests: sync: Fix cast warnings on arm

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Date:   Mon, 21 Oct 2019 17:28:47 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Shuah Khan <shuah@...nel.org>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        jaswinder.singh@...aro.org,
        Emilio López <emilio.lopez@...labora.co.uk>
Subject: [BUGFIX PATCH v2 5/5] selftests: sync: Fix cast warnings on arm

Fix warnings on __u64 and pointer translation on arm and
other 32bit architectures. Since the pointer is 32bits on
those archs, we should not directly cast those types.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Emilio López <emilio.lopez@...labora.co.uk>
---
 tools/testing/selftests/sync/sync.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/sync/sync.c b/tools/testing/selftests/sync/sync.c
index f3d599f249b9..7741c0518d18 100644
--- a/tools/testing/selftests/sync/sync.c
+++ b/tools/testing/selftests/sync/sync.c
@@ -109,7 +109,7 @@ static struct sync_file_info *sync_file_info(int fd)
 			return NULL;
 		}
 
-		info->sync_fence_info = (uint64_t)fence_info;
+		info->sync_fence_info = (uint64_t)(unsigned long)fence_info;
 
 		err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
 		if (err < 0) {
@@ -124,7 +124,7 @@ static struct sync_file_info *sync_file_info(int fd)
 
 static void sync_file_info_free(struct sync_file_info *info)
 {
-	free((void *)info->sync_fence_info);
+	free((void *)(unsigned long)info->sync_fence_info);
 	free(info);
 }
 
@@ -152,7 +152,7 @@ int sync_fence_count_with_status(int fd, int status)
 	if (!info)
 		return -1;
 
-	fence_info = (struct sync_fence_info *)info->sync_fence_info;
+	fence_info = (struct sync_fence_info *)(unsigned long)info->sync_fence_info;
 	for (i = 0 ; i < info->num_fences ; i++) {
 		if (fence_info[i].status == status)
 			count++;