diff options
Diffstat (limited to 'sysdeps/mach/hurd/mknodat.c')
| -rw-r--r-- | sysdeps/mach/hurd/mknodat.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sysdeps/mach/hurd/mknodat.c b/sysdeps/mach/hurd/mknodat.c index 13f2191..c1fe343 100644 --- a/sysdeps/mach/hurd/mknodat.c +++ b/sysdeps/mach/hurd/mknodat.c @@ -88,8 +88,12 @@ __mknodat (int fd, const char *path, mode_t mode, dev_t dev) if (dir == MACH_PORT_NULL) return -1; - /* Create a new, unlinked node in the target directory. */ - errnode = err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node); + if (! *name) + /* Can't link to the existing directory itself. */ + errnode = err = ENOTDIR; + else + /* Create a new, unlinked node in the target directory. */ + errnode = err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node); if (! err && translator != NULL) /* Set the node's translator to make it a device. */ |