sparc

Pull sparc fix from David Miller:
 "Bug fix from Al Viro"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: not any error from do_sigaltstack() should fail rt_sigreturn()

parents 45aaff06 fae2ae2a

arch/sparc/kernel/signal_64.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -295,9 +295,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
		err \|= restore_fpu_state(regs, fpu_save);

		err \|= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
		err \|= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf);

		if (err)
		if (err \|\| do_sigaltstack(&sf->stack, NULL, (unsigned long)sf) == -EFAULT)
		goto segv;

		err \|= __get_user(rwin_save, &sf->rwin_save);