From 452c95c577cbeabdee001698ace19ea93b1b40c5 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Thu, 16 Apr 2026 18:35:39 -0300
Subject: [PATCH] open: fix possible use of unitialized variable

---
 kernel-src/sys/syscalls/open.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel-src/sys/syscalls/open.c b/kernel-src/sys/syscalls/open.c
index a95e877c..57f01e09 100644
--- a/kernel-src/sys/syscalls/open.c
+++ b/kernel-src/sys/syscalls/open.c
@@ -20,6 +20,9 @@ syscallret_t syscall_openat(context_t *context, int dirfd, char *path, int flags
 
 	size_t pathsize;
 	ret.errno = usercopy_strlen(path, &pathsize);
+	if (ret.errno)
+		return ret;
+
 	char *pathbuf = alloc(pathsize + 1);
 	if (pathbuf == NULL) {
 		ret.errno = ENOMEM;