diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index fa8ba8fe7c..e754dbb3fa 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9115,12 +9115,16 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) case TARGET_NR_mq_open: { - struct mq_attr posix_mq_attr; + struct mq_attr posix_mq_attr, *attrp; p = lock_user_string(arg1 - 1); - if (arg4 != 0) + if (arg4 != 0) { copy_from_user_mq_attr (&posix_mq_attr, arg4); - ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); + attrp = &posix_mq_attr; + } else { + attrp = 0; + } + ret = get_errno(mq_open(p, arg2, arg3, attrp)); unlock_user (p, arg1, 0); } break; |