Fix a file leak in function `at_kfd` (#276)

4 years ago · 2efabd3e66
1 changed files with 3 additions and 1 deletions
--- a/pk/syscall.c
+++ b/pk/syscall.c
@ -129,7 +129,9 @@ static int at_kfd(int dirfd)
  file_t* dir = file_get(dirfd);
  if (dir == NULL)
    return -1;
-  return dir->kfd;
+  int kfd = dir->kfd;
+  file_decref(dir);
+  return kfd;
 }

 int sys_openat(int dirfd, const char* name, int flags, int mode)