diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/msgctl.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/msgctl.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/msgctl.c b/sysdeps/unix/sysv/linux/msgctl.c index 27879e76cd..eb28835b3a 100644 --- a/sysdeps/unix/sysv/linux/msgctl.c +++ b/sysdeps/unix/sysv/linux/msgctl.c @@ -61,7 +61,6 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf) int ret = msgctl_syscall (msqid, cmd, buf); -#ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T if (ret >= 0) { switch (cmd) @@ -69,10 +68,16 @@ __new_msgctl (int msqid, int cmd, struct msqid_ds *buf) case IPC_STAT: case MSG_STAT: case MSG_STAT_ANY: +#ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T buf->msg_perm.mode >>= 16; +#else + /* Old Linux kernel versions might not clear the mode padding. */ + if (sizeof ((struct msqid_ds){0}.msg_perm.mode) + != sizeof (__kernel_mode_t)) + buf->msg_perm.mode &= 0xFFFF; +#endif } } -#endif return ret; } |