linux-kernel - [PATCH v16 15/15] selftests/powerpc: Fix a build issue

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Message-Id: <1477480437-12937-16-git-send-email-wei.guo.simon@gmail.com>
Date:   Wed, 26 Oct 2016 19:13:57 +0800
From:   wei.guo.simon@...il.com
To:     linuxppc-dev@...ts.ozlabs.org
Cc:     Shuah Khan <shuah@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Cyril Bur <cyrilbur@...il.com>,
        Chris Smart <chris@...troguy.com>,
        Suraj Jitindar Singh <sjitindarsingh@...il.com>,
        Michael Neuling <mikey@...ling.org>,
        Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
        Simon Guo <wei.guo.simon@...il.com>,
        Jack Miller <jack@...ezen.org>,
        Rashmica Gupta <rashmicy@...il.com>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: [PATCH v16 15/15] selftests/powerpc: Fix a build issue

From: Anshuman Khandual <khandual@...ux.vnet.ibm.com>

Fixes the following build failure -

cp_abort.c:90:3: error: ‘for’ loop initial declarations are only
allowed in C99 or C11 mode
   for (int i = 0; i < NUM_LOOPS; i++) {
   ^
cp_abort.c:90:3: note: use option -std=c99, -std=gnu99, -std=c11 or
-std=gnu11 to compile your code
cp_abort.c:97:3: error: ‘for’ loop initial declarations are only
allowed in C99 or C11 mode
   for (int i = 0; i < NUM_LOOPS; i++) {

Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@...il.com>
---
 tools/testing/selftests/powerpc/context_switch/cp_abort.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/powerpc/context_switch/cp_abort.c b/tools/testing/selftests/powerpc/context_switch/cp_abort.c
index 5a5b55a..1ce7dce 100644
--- a/tools/testing/selftests/powerpc/context_switch/cp_abort.c
+++ b/tools/testing/selftests/powerpc/context_switch/cp_abort.c
@@ -67,7 +67,7 @@ int test_cp_abort(void)
 	/* 128 bytes for a full cache line */
 	char buf[128] __cacheline_aligned;
 	cpu_set_t cpuset;
-	int fd1[2], fd2[2], pid;
+	int fd1[2], fd2[2], pid, i;
 	char c;
 
 	/* only run this test on a P9 or later */
@@ -87,14 +87,14 @@ int test_cp_abort(void)
 	FAIL_IF(pid < 0);
 
 	if (!pid) {
-		for (int i = 0; i < NUM_LOOPS; i++) {
+		for (i = 0; i < NUM_LOOPS; i++) {
 			FAIL_IF((write(fd1[WRITE_FD], &c, 1)) != 1);
 			FAIL_IF((read(fd2[READ_FD], &c, 1)) != 1);
 			/* A paste succeeds if CR0 EQ bit is set */
 			FAIL_IF(paste(buf) & 0x20000000);
 		}
 	} else {
-		for (int i = 0; i < NUM_LOOPS; i++) {
+		for (i = 0; i < NUM_LOOPS; i++) {
 			FAIL_IF((read(fd1[READ_FD], &c, 1)) != 1);
 			copy(buf);
 			FAIL_IF((write(fd2[WRITE_FD], &c, 1) != 1));
-- 
1.8.3.1