diff options
Diffstat (limited to 'arch/mips/kernel/signal.c')
| -rw-r--r-- | arch/mips/kernel/signal.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 1975cd2f7de6..9e224469c788 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -772,6 +772,14 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) struct mips_abi *abi = current->thread.abi; void *vdso = current->mm->context.vdso; + /* + * If we were emulating a delay slot instruction, exit that frame such + * that addresses in the sigframe are as expected for userland and we + * don't have a problem if we reuse the thread's frame for an + * instruction within the signal handler. + */ + dsemul_thread_rollback(regs); + if (regs->regs[0]) { switch(regs->regs[2]) { case ERESTART_RESTARTBLOCK: |