Since we are just reading from each debugfs file, any that requires
initial setup may not be fully setup or be left in a state that results
in the file *expectedly* waiting. Use O_NONBLOCK to avoid waits on
external events as we are just peeking for a trivial check that the
files do not explode.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
tests/debugfs_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/debugfs_test.c b/tests/debugfs_test.c
index 6d1757c50..f8dd851c9 100644
--- a/tests/debugfs_test.c
+++ b/tests/debugfs_test.c
@@ -65,7 +65,7 @@ static void read_and_discard_sysfs_entries(int path_fd, int indent)
igt_debug("%sReading file \"%s\"\n", tabs, dirent->d_name);
igt_set_timeout(5, "reading sysfs entry");
- sub_fd = openat(path_fd, dirent->d_name, O_RDONLY);
+ sub_fd = openat(path_fd, dirent->d_name, O_RDONLY | O_NONBLOCK);
if (sub_fd == -1) {
igt_debug("%sCould not open file \"%s\" with error: %m\n",
tabs, dirent->d_name);
--
2.23.0
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