poky/meta/recipes-extended/ltp/ltp/0001-mmap15-mips64-return-EINVAL.patch

From b909805b4fc1b72e0ce299afb4abc02720ee81da Mon Sep 17 00:00:00 2001
From: Dengke Du <dengke.du@windriver.com>
Date: Wed, 12 Sep 2018 14:24:35 +0800
Subject: [PATCH] mmap15: mips64 return EINVAL

In mips64 kernel, system check the addr that passed to mmap:

    if (TASK_SIZE - len < addr)
        return -EINVAL;

Link: https://github.com/torvalds/linux/blob/master/arch/mips/mm/mmap.c#L71

Upstream-Status: Submitted [https://github.com/linux-test-project/ltp/pull/394]

Signed-off-by: Dengke Du <dengke.du@windriver.com>
---
 testcases/kernel/syscalls/mmap/mmap15.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/testcases/kernel/syscalls/mmap/mmap15.c b/testcases/kernel/syscalls/mmap/mmap15.c
index eff27d6..a10b5c7 100644
--- a/testcases/kernel/syscalls/mmap/mmap15.c
+++ b/testcases/kernel/syscalls/mmap/mmap15.c
@@ -81,9 +81,14 @@ int main(int ac, char **av)
 		}
 
 		if (errno != ENOMEM) {
+#ifdef __mips__
+			tst_resm(TPASS | TERRNO, "mmap into high region "
+                                 "failed as expected");                        
+#else
 			tst_resm(TFAIL | TERRNO, "mmap into high region "
 				 "failed unexpectedly - expect "
 				 "errno=ENOMEM, got");
+#endif
 		} else {
 			tst_resm(TPASS | TERRNO, "mmap into high region "
 				 "failed as expected");
-- 
2.7.4