Commit 64b3122d authored by Al Viro's avatar Al Viro
Browse files

mips: take the "zero newsp means inherit the parent's one" to copy_thread() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 974fdb3c

arch/mips/kernel/linux32.c

+0 −2
Original line number Diff line number Diff line
@@ -289,8 +289,6 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs) 


	clone_flags = regs.regs[4];

	newsp = regs.regs[5];

	if (!newsp)

		newsp = regs.regs[29];

	parent_tidptr = (int __user *) regs.regs[6];



	/* Use __dummy4 instead of getting it off the stack, so that

arch/mips/kernel/process.c

+2 −1
Original line number Diff line number Diff line
@@ -156,6 +156,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, 
	*childregs = *regs;

	childregs->regs[7] = 0;	/* Clear error flag */

	childregs->regs[2] = 0;	/* Child gets zero as return value */

	if (usp)

		childregs->regs[29] = usp;

	ti->addr_limit = USER_DS;

arch/mips/kernel/syscall.c

+1 −3
Original line number Diff line number Diff line
@@ -86,7 +86,7 @@ save_static_function(sys_fork); 
static int __used noinline

_sys_fork(nabi_no_regargs struct pt_regs regs)

{

	return do_fork(SIGCHLD, regs.regs[29], 0, NULL, NULL);

	return do_fork(SIGCHLD, 0, 0, NULL, NULL);

}



save_static_function(sys_clone);
@@ -99,8 +99,6 @@ _sys_clone(nabi_no_regargs struct pt_regs regs) 


	clone_flags = regs.regs[4];

	newsp = regs.regs[5];

	if (!newsp)

		newsp = regs.regs[29];

	parent_tidptr = (int __user *) regs.regs[6];

#ifdef CONFIG_32BIT

	/* We need to fetch the fifth argument off the stack.  */