[LTP] [COMMITTED PATCH] pipeio: avoid SAFE macros in cleanup()

[Jan Stancek]

Only newlib testcases support SAFE macros in cleanup().
When SAFE_UNLINK fails, it creates infinite loop between
tst_brk_ and cleanup:

 #0  tst_res__ at tst_res.c:153
 #1  0x0000000000407ba8 in tst_brk__ at tst_res.c:480
 #2  0x00000000004081fe in tst_brkm_ at tst_res.c:577
 #3  0x000000000040a7c9 in safe_unlink at safe_macros.c:358
 #4  0x0000000000404abd in cleanup () at pipeio.c:497
 #5  0x0000000000407bc7 in tst_brk__ at tst_res.c:498
 #6  0x00000000004081fe in tst_brkm_ at tst_res.c:577
 #7  0x000000000040c1d6 in def_handler at tst_sig.c:231
 #8  <signal handler called>
 #9  0x00007f29c2cbd1f7 in __GI_raise at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
 #10 0x00007f29c2cbe8e8 in __GI_abort () at abort.c:90
 #11 0x00000000004081af in tst_brkm_ at tst_res.c:581
 #12 0x000000000040a7c9 in safe_unlink at safe_macros.c:358
 #13 0x0000000000404abd in cleanup () at pipeio.c:497
 #14 0x0000000000407bc7 in tst_brk__ at tst_res.c:498
 #15 0x00000000004081fe in tst_brkm_ at tst_res.c:577
 #16 0x000000000040c1d6 in def_handler at tst_sig.c:231
 #17 <signal handler called>
 #18 0x00007f29c2cbd1f7 in __GI_raise at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
 #19 0x00007f29c2cbe8e8 in __GI_abort () at abort.c:90
 #20 0x00000000004081af in tst_brkm_ at tst_res.c:581
 #21 0x000000000040a7c9 in safe_unlink at safe_macros.c:358
 #22 0x0000000000404abd in cleanup () at pipeio.c:497
 ...

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 testcases/kernel/ipc/pipeio/pipeio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testcases/kernel/ipc/pipeio/pipeio.c b/testcases/kernel/ipc/pipeio/pipeio.c
index 8426fb0e6b53..5aa082fd579b 100644
--- a/testcases/kernel/ipc/pipeio/pipeio.c
+++ b/testcases/kernel/ipc/pipeio/pipeio.c
@@ -494,7 +494,7 @@ static void cleanup(void)
 	semctl(sem_id, 0, IPC_RMID);
 
 	if (!unpipe)
-		SAFE_UNLINK(NULL, pname);
+		unlink(pname);
 
 	tst_rmdir();
 }
-- 
1.8.3.1