diff mbox series

[v15,05/23] selftests/vm/pkeys: Make gcc check arguments of sigsafe_printf()

Message ID e4f9e734801a90d617957bc56397a0c5c466d179.1576645161.git.sandipan@linux.ibm.com (mailing list archive)
State New
Headers show
Series selftests, powerpc, x86: Memory Protection Keys | expand

Commit Message

Sandipan Das Dec. 18, 2019, 7:51 a.m. UTC 
From: Thiago Jung Bauermann <bauerman@linux.ibm.com>

This will help us ensure we print pkey_reg_t values correctly in
different architectures.

Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
---
 tools/testing/selftests/vm/pkey-helpers.h | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/vm/pkey-helpers.h b/tools/testing/selftests/vm/pkey-helpers.h
index 3ed2f021bf7a..7f18a82e54fc 100644
--- a/tools/testing/selftests/vm/pkey-helpers.h
+++ b/tools/testing/selftests/vm/pkey-helpers.h
@@ -27,6 +27,10 @@ 
 #define DPRINT_IN_SIGNAL_BUF_SIZE 4096
 extern int dprint_in_signal;
 extern char dprint_in_signal_buffer[DPRINT_IN_SIGNAL_BUF_SIZE];
+
+#ifdef __GNUC__
+__attribute__((format(printf, 1, 2)))
+#endif
 static inline void sigsafe_printf(const char *format, ...)
 {
 	va_list ap;