diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-20 20:24:26 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-20 00:07:41 +0100 |
| commit | c40702c49faef05ae324f121d8b3e215244ee152 (patch) | |
| tree | b0b2a51b07e944497da5cb48fb461963a3762cad /arch/x86/ia32/ia32_signal.c | |
| parent | generic compat_sys_sigaltstack() (diff) | |
| download | linux-c40702c49faef05ae324f121d8b3e215244ee152.tar.xz linux-c40702c49faef05ae324f121d8b3e215244ee152.zip | |
new helpers: __save_altstack/__compat_save_altstack, switch x86 and um to those
note that they are relying on access_ok() already checked by caller.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/ia32/ia32_signal.c')
| -rw-r--r-- | arch/x86/ia32/ia32_signal.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index a866411a2fcc..a1daf4a65009 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -467,10 +467,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, else put_user_ex(0, &frame->uc.uc_flags); put_user_ex(0, &frame->uc.uc_link); - put_user_ex(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - put_user_ex(sas_ss_flags(regs->sp), - &frame->uc.uc_stack.ss_flags); - put_user_ex(current->sas_ss_size, &frame->uc.uc_stack.ss_size); + err |= __compat_save_altstack(&frame->uc.uc_stack, regs->sp); if (ka->sa.sa_flags & SA_RESTORER) restorer = ka->sa.sa_restorer; |