diff options
Diffstat (limited to 'linux-user/signal.c')
| -rw-r--r-- | linux-user/signal.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index 602b631b92..e2c0b37173 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -727,7 +727,7 @@ abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp) } #endif - ret = -TARGET_EFAULT; + ret = -TARGET_EFAULT; if (!lock_user_struct(VERIFY_READ, uss, uss_addr, 1)) { goto out; } @@ -736,25 +736,25 @@ abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp) __get_user(ss.ss_flags, &uss->ss_flags); unlock_user_struct(uss, uss_addr, 0); - ret = -TARGET_EPERM; - if (on_sig_stack(sp)) + ret = -TARGET_EPERM; + if (on_sig_stack(sp)) goto out; - ret = -TARGET_EINVAL; - if (ss.ss_flags != TARGET_SS_DISABLE + ret = -TARGET_EINVAL; + if (ss.ss_flags != TARGET_SS_DISABLE && ss.ss_flags != TARGET_SS_ONSTACK && ss.ss_flags != 0) goto out; - if (ss.ss_flags == TARGET_SS_DISABLE) { + if (ss.ss_flags == TARGET_SS_DISABLE) { ss.ss_size = 0; ss.ss_sp = 0; - } else { + } else { ret = -TARGET_ENOMEM; if (ss.ss_size < minstacksize) { goto out; } - } + } target_sigaltstack_used.ss_sp = ss.ss_sp; target_sigaltstack_used.ss_size = ss.ss_size; |