sh: fixup many sparse errors.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 51689d2..345de2f 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -30,6 +30,7 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/cacheflush.h>
+#include <asm/syscalls.h>
#include <asm/fpu.h>
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -247,7 +248,6 @@
struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs->regs[15];
sigset_t set;
- stack_t st;
int r0;
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
@@ -265,11 +265,9 @@
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
goto badframe;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL,
+ regs->regs[15]) == -EFAULT)
goto badframe;
- /* It is more difficult to avoid calling this function than to
- call it and ignore errors. */
- do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame);
return r0;
@@ -429,7 +427,7 @@
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
- err |= __put_user(0, &frame->uc.uc_link);
+ err |= __put_user(NULL, &frame->uc.uc_link);
err |= __put_user((void *)current->sas_ss_sp,
&frame->uc.uc_stack.ss_sp);
err |= __put_user(sas_ss_flags(regs->regs[15]),