diff options
Diffstat (limited to 'arch/s390/kernel/compat_signal.c')
| -rw-r--r-- | arch/s390/kernel/compat_signal.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 1d0e17ec93eb..cca142fbb516 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -28,6 +28,7 @@ #include <linux/uaccess.h> #include <asm/lowcore.h> #include <asm/switch_to.h> +#include <asm/vdso.h> #include "compat_linux.h" #include "compat_ptrace.h" #include "entry.h" @@ -118,7 +119,6 @@ static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs) fpregs_load((_s390_fp_regs *) &user_sregs.fpregs, ¤t->thread.fpu); clear_pt_regs_flag(regs, PIF_SYSCALL); /* No longer in a system call */ - clear_pt_regs_flag(regs, PIF_SYSCALL_RESTART); return 0; } @@ -304,11 +304,7 @@ static int setup_frame32(struct ksignal *ksig, sigset_t *set, restorer = (unsigned long __force) ksig->ka.sa.sa_restorer | PSW32_ADDR_AMODE; } else { - /* Signal frames without vectors registers are short ! */ - __u16 __user *svc = (void __user *) frame + frame_size - 2; - if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn, svc)) - return -EFAULT; - restorer = (unsigned long __force) svc | PSW32_ADDR_AMODE; + restorer = VDSO32_SYMBOL(current, sigreturn); } /* Set up registers for signal handler */ @@ -371,10 +367,7 @@ static int setup_rt_frame32(struct ksignal *ksig, sigset_t *set, restorer = (unsigned long __force) ksig->ka.sa.sa_restorer | PSW32_ADDR_AMODE; } else { - __u16 __user *svc = &frame->svc_insn; - if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn, svc)) - return -EFAULT; - restorer = (unsigned long __force) svc | PSW32_ADDR_AMODE; + restorer = VDSO32_SYMBOL(current, rt_sigreturn); } /* Create siginfo on the signal stack */ |