tools: fix mq_open_tests compile warnings

Fix several compile warnings - these are repeats like the ones
below:

gcc -O2 -lrt mq_open_tests.c -o mq_open_tests
mq_open_tests.c: In function ‘main’:
mq_open_tests.c:295:2: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘rlim_t’ [-Wformat=]
  printf("\tRLIMIT_MSGQUEUE(soft):\t\t%d\n", saved_limits.rlim_cur);
  ^
mq_open_tests.c: In function ‘shutdown’:
mq_open_tests.c:83:9: warning: ignoring return value of ‘seteuid’, declared with attribute warn_unused_result [-Wunused-result]
  seteuid(0);

Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 14 insertions, 6 deletions

diff --git a/tools/testing/selftests/mqueue/mq_open_tests.c b/tools/testing/selftests/mqueue/mq_open_tests.c
index 711cc2923047..9c1a5d359055 100644
--- a/tools/testing/selftests/mqueue/mq_open_tests.c
+++ b/tools/testing/selftests/mqueue/mq_open_tests.c
@@ -80,7 +80,8 @@ void shutdown(int exit_val, char *err_cause, int line_no)
         if (in_shutdown++)
                 return;
 
-        seteuid(0);
+        if (seteuid(0) == -1)
+                perror("seteuid() failed");
 
         if (queue != -1)
                 if (mq_close(queue))
@@ -292,8 +293,10 @@ int main(int argc, char *argv[])
         /* Tell the user our initial state */
         printf("\nInitial system state:\n");
         printf("\tUsing queue path:\t\t%s\n", queue_path);
-        printf("\tRLIMIT_MSGQUEUE(soft):\t\t%d\n", saved_limits.rlim_cur);
-        printf("\tRLIMIT_MSGQUEUE(hard):\t\t%d\n", saved_limits.rlim_max);
+        printf("\tRLIMIT_MSGQUEUE(soft):\t\t%ld\n",
+                (long) saved_limits.rlim_cur);
+        printf("\tRLIMIT_MSGQUEUE(hard):\t\t%ld\n",
+                (long) saved_limits.rlim_max);
         printf("\tMaximum Message Size:\t\t%d\n", saved_max_msgsize);
         printf("\tMaximum Queue Size:\t\t%d\n", saved_max_msgs);
         if (default_settings) {
@@ -308,8 +311,8 @@ int main(int argc, char *argv[])
         validate_current_settings();
 
         printf("Adjusted system state for testing:\n");
-        printf("\tRLIMIT_MSGQUEUE(soft):\t\t%d\n", cur_limits.rlim_cur);
-        printf("\tRLIMIT_MSGQUEUE(hard):\t\t%d\n", cur_limits.rlim_max);
+        printf("\tRLIMIT_MSGQUEUE(soft):\t\t%ld\n", (long) cur_limits.rlim_cur);
+        printf("\tRLIMIT_MSGQUEUE(hard):\t\t%ld\n", (long) cur_limits.rlim_max);
         printf("\tMaximum Message Size:\t\t%d\n", cur_max_msgsize);
         printf("\tMaximum Queue Size:\t\t%d\n", cur_max_msgs);
         if (default_settings) {
@@ -454,7 +457,12 @@ int main(int argc, char *argv[])
         else
                 printf("Queue open with total size > 2GB when euid = 0 "
                        "failed:\t\t\tPASS\n");
-        seteuid(99);
+
+        if (seteuid(99) == -1) {
+                perror("seteuid() failed");
+                exit(1);
+        }
+
         attr.mq_maxmsg = cur_max_msgs;
         attr.mq_msgsize = cur_max_msgsize;
         if (test_queue_fail(&attr, &result))