diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/xmknod.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/xmknod.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/xmknod.c b/sysdeps/unix/sysv/linux/xmknod.c index 210c55e943..4c5b1f42a4 100644 --- a/sysdeps/unix/sysv/linux/xmknod.c +++ b/sysdeps/unix/sysv/linux/xmknod.c @@ -33,7 +33,7 @@ int __xmknod (int vers, const char *path, mode_t mode, dev_t *dev) { - unsigned short int k_dev; + unsigned long long int k_dev; if (vers != _MKNOD_VER) { @@ -42,9 +42,12 @@ __xmknod (int vers, const char *path, mode_t mode, dev_t *dev) } /* We must convert the value to dev_t type used by the kernel. */ - k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff); + k_dev = (*dev) & ((1ULL << 32) - 1); + if (k_dev != *dev) + return EOVERFLOW; - return INLINE_SYSCALL (mknod, 3, CHECK_STRING (path), mode, k_dev); + return INLINE_SYSCALL (mknod, 3, CHECK_STRING (path), mode, + (unsigned int) k_dev); } weak_alias (__xmknod, _xmknod) |