diff options
Diffstat (limited to 'arch/mips/kernel/signal32.c')
| -rw-r--r-- | arch/mips/kernel/signal32.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 572c610db1b1..652709b353ad 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -482,6 +482,18 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) return err; } +int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) +{ + memset(to, 0, sizeof *to); + + if (copy_from_user(to, from, 3*sizeof(int)) || + copy_from_user(to->_sifields._pad, + from->_sifields._pad, SI_PAD_SIZE32)) + return -EFAULT; + + return 0; +} + asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs) { struct sigframe32 __user *frame; |