From 5bc05383695260895b44203c3278d2f761e1f637 Mon Sep 17 00:00:00 2001
From: jewelcodes <omarmelghoul01@gmail.com>
Date: Fri, 29 Nov 2024 19:28:09 -0500
Subject: [PATCH] mm: typo in mmap() input validation

---
 src/memory/mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/memory/mmap.c b/src/memory/mmap.c
index 92fcfcb..f867744 100644
--- a/src/memory/mmap.c
+++ b/src/memory/mmap.c
@@ -36,7 +36,7 @@ void *mmap(Thread *t, uint64_t id, void *addr, size_t len, int prot, int flags,
     if(!p) return (void *) -ESRCH;
 
     IODescriptor *io = &p->io[fd];
-    if(io->valid || !io->data) return (void *) -EBADF;
+    if(!io->valid || !io->data) return (void *) -EBADF;
     if(io->type != IO_FILE) return (void *) -ENODEV;
 
     FileDescriptor *f = (FileDescriptor *) io->data;