tinjpage: use O_RDWR flag for open before write

In file dirty case, it tries to write some data to a test file
opened with O_RDONLY.  It gets an unexpected error.  Fix it by
opening the file with O_RDWR flag.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tsrc/tinjpage.c b/tsrc/tinjpage.c
index 954e1ed..e06c87b 100644
--- a/tsrc/tinjpage.c
+++ b/tsrc/tinjpage.c
@@ -291,7 +291,7 @@ static void file_dirty(void)
 	close(fd);
 	munmap_reserve(page, PS);
 
-	fd = open(fn, O_RDONLY);
+	fd = open(fn, O_RDWR);
 	char buf[128];
 	expecterr("explicit read after poison", read(fd, buf, sizeof buf));
 	expecterr("explicit write after poison", write(fd, "foobar", 6));