mm: typo in mmap() input validation

lux-operating-system · Nov 30, 2024 · 5bc0538 · 5bc0538
1 parent 3a48766
commit 5bc0538
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;