diff options
Diffstat (limited to 'sys/compat/linux/linux_mmap.c')
| -rw-r--r-- | sys/compat/linux/linux_mmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_mmap.c b/sys/compat/linux/linux_mmap.c index a8e790a29da4..9fecb6ebb2ad 100644 --- a/sys/compat/linux/linux_mmap.c +++ b/sys/compat/linux/linux_mmap.c @@ -63,6 +63,10 @@ static int linux_mmap_check_fp(struct file *fp, int flags, int prot, int maxprot) { + /* Linux returns EBADF if mmap() is called on an O_PATH file descriptor */ + if (fp->f_ops == &path_fileops) + return (EBADF); + /* Linux mmap() just fails for O_WRONLY files */ if ((fp->f_flag & FREAD) == 0) return (EACCES); |