kernel: immediately fail open() request instead of truncating the path

less error prone

2 files changed, 4 insertions, 2 deletions

diff --git a/src/cmd/tests/kernel/fs.c b/src/cmd/tests/kernel/fs.c
index a19f3fb..42b069f 100644
--- a/src/cmd/tests/kernel/fs.c
+++ b/src/cmd/tests/kernel/fs.c
@@ -10,8 +10,9 @@ static void test_unfinished_req(void) {
 	test(0 <= ret);
 	if (ret == 0) {
 		// TODO make a similar test with all 0s passed to fs_wait
+		char buf[512];
 		struct ufs_request res;
-		_sys_fs_wait(NULL, 0, &res);
+		_sys_fs_wait(buf, sizeof(buf), &res);
 		exit(0);
 	} else {
 		test(0 <= h);
diff --git a/src/cmd/tests/kernel/path.c b/src/cmd/tests/kernel/path.c
index 5a22c36..215d36b 100644
--- a/src/cmd/tests/kernel/path.c
+++ b/src/cmd/tests/kernel/path.c
@@ -67,7 +67,8 @@ static void mount_resolve_drv(const char *path) {
 	if (mount_at(path) != 0) return;
 
 	struct ufs_request res;
-	while (!c0_fs_wait(NULL, 0, &res)) {
+	char buf[512];
+	while (!c0_fs_wait(buf, sizeof(buf), &res)) {
 		// TODO does the first argument of c0_fs_respond need to be non-const?
 		c0_fs_respond((void*)path, strlen(path), 0);
 	}