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Commit e08f457c authored by Paul Mundt's avatar Paul Mundt Committed by Paul Mundt
Browse files

sh: __user annotations for __get/__put_user(). 



This adds in some more __user annotations. These weren't being
handled properly in some of the __get_user and __put_user paths,
so tidy those up.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 7a302a96

arch/sh/kernel/process.c

+5 −7
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/kexec.h>

#include <linux/kdebug.h>

#include <linux/tick.h>

#include <linux/reboot.h>

#include <asm/uaccess.h>

#include <asm/mmu_context.h>

#include <asm/pgalloc.h>
@@ -449,23 +450,20 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5, 
/*

 * sys_execve() executes a new program.

 */

asmlinkage int sys_execve(char *ufilename, char **uargv,

			  char **uenvp, unsigned long r7,

asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv,

			  char __user * __user *uenvp, unsigned long r7,

			  struct pt_regs __regs)

{

	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);

	int error;

	char *filename;



	filename = getname((char __user *)ufilename);

	filename = getname(ufilename);

	error = PTR_ERR(filename);

	if (IS_ERR(filename))

		goto out;



	error = do_execve(filename,

			  (char __user * __user *)uargv,

			  (char __user * __user *)uenvp,

			  regs);

	error = do_execve(filename, uargv, uenvp, regs);

	if (error == 0) {

		task_lock(current);

		current->ptrace &= ~PT_DTRACE;

arch/sh/kernel/ptrace.c

+4 −4
Original line number Diff line number Diff line
@@ -99,7 +99,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 
		ret = -EIO;

		if (copied != sizeof(tmp))

			break;

		ret = put_user(tmp,(unsigned long *) data);

		ret = put_user(tmp,(unsigned long __user *) data);

		break;

	}
@@ -128,7 +128,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 
			tmp = !!tsk_used_math(child);

		else

			tmp = 0;

		ret = put_user(tmp, (unsigned long *)data);

		ret = put_user(tmp, (unsigned long __user *)data);

		break;

	}
@@ -196,7 +196,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 


	case PTRACE_SINGLESTEP: {  /* set the trap flag. */

		long pc;

		struct pt_regs *dummy = NULL;

		struct pt_regs *regs = NULL;



		ret = -EIO;

		if (!valid_signal(data))
@@ -207,7 +207,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 
			child->ptrace |= PT_DTRACE;

		}



		pc = get_stack_long(child, (long)&dummy->pc);

		pc = get_stack_long(child, (long)&regs->pc);



		/* Next scheduling will set up UBC */

		if (child->thread.ubc_pc == 0)

arch/sh/kernel/signal.c

+2 −2
Original line number Diff line number Diff line
@@ -261,7 +261,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5, 
		goto badframe;

	/* It is more difficult to avoid calling this function than to

	   call it and ignore errors.  */

	do_sigaltstack(&st, NULL, regs->regs[15]);

	do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame);



	return r0;

arch/sh/kernel/traps.c

+1 −1
Original line number Diff line number Diff line
@@ -581,7 +581,7 @@ asmlinkage void do_address_error(struct pt_regs *regs, 
		info.si_signo = SIGBUS;

		info.si_errno = 0;

		info.si_code = si_code;

		info.si_addr = (void *) address;

		info.si_addr = (void __user *)address;

		force_sig_info(SIGBUS, &info, current);

	} else {

		if (regs->pc & 1)

include/asm-sh/page.h

+1 −0
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ extern void (*copy_page)(void *to, void *from); 


extern unsigned long shm_align_mask;

extern unsigned long max_low_pfn, min_low_pfn;

extern unsigned long memory_start, memory_end;



#ifdef CONFIG_MMU

extern void clear_page_slow(void *to);