From 0dfaa54eea98ce326a37a5c35e589fbf2cd34003 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Thu, 23 Sep 2021 06:38:57 +0000
Subject: _syscall_mount(): ignore trailing slash in mount path

---
 src/kernel/syscalls.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/kernel/syscalls.c')

diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c
index af3e0aa..1b91eb7 100644
--- a/src/kernel/syscalls.c
+++ b/src/kernel/syscalls.c
@@ -103,7 +103,13 @@ int _syscall_mount(handle_t handle, const char __user *path, int len) {
 		goto fail;
 	len = path_simplify(path_buf, path_buf, len);
 	if (len < 0) goto fail;
-	// TODO remove trailing slash
+
+	// remove trailing slash
+	// mounting something under `/this` and `/this/` should be equalivent
+	if (path_buf[len - 1] == '/') {
+		if (len == 0) goto fail;
+		len--;
+	}
 
 	if (handle >= 0) { // mounting a real backend?
 		if (handle >= HANDLE_MAX)
-- 
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