tools/testing/selftests/sigaltstack/sas.c: improve output of sigaltstack testcase

Currently it uses %i for bitmasks, which makes it difficult to properly
decode the values.  Use %x instead.

Link: http://lkml.kernel.org/r/b7b4c45d-2f21-de6c-d1c8-16c8386da27c@list.ru
Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index 1bb01258e559..ccd07343d418 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -57,7 +57,7 @@ void my_usr1(int sig, siginfo_t *si, void *u)
                 exit(EXIT_FAILURE);
         }
         if (stk.ss_flags != SS_DISABLE)
-                printf("[FAIL]\tss_flags=%i, should be SS_DISABLE\n",
+                printf("[FAIL]\tss_flags=%x, should be SS_DISABLE\n",
                                 stk.ss_flags);
         else
                 printf("[OK]\tsigaltstack is disabled in sighandler\n");
@@ -122,7 +122,8 @@ int main(void)
         if (stk.ss_flags == SS_DISABLE) {
                 printf("[OK]\tInitial sigaltstack state was SS_DISABLE\n");
         } else {
-                printf("[FAIL]\tInitial sigaltstack state was %i; should have been SS_DISABLE\n", stk.ss_flags);
+                printf("[FAIL]\tInitial sigaltstack state was %x; "
+                       "should have been SS_DISABLE\n", stk.ss_flags);
                 return EXIT_FAILURE;
         }
 
@@ -165,7 +166,7 @@ int main(void)
                 exit(EXIT_FAILURE);
         }
         if (stk.ss_flags != SS_AUTODISARM) {
-                printf("[FAIL]\tss_flags=%i, should be SS_AUTODISARM\n",
+                printf("[FAIL]\tss_flags=%x, should be SS_AUTODISARM\n",
                                 stk.ss_flags);
                 exit(EXIT_FAILURE);
         }