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Commit 07b5ab3f authored by Andreas Larsson's avatar Andreas Larsson Committed by David S. Miller
Browse files

sparc32: Fix inverted invalid_frame_pointer checks on sigreturns 



Signed-off-by: default avatarAndreas Larsson <andreas@gaisler.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 74a5ed5c

arch/sparc/kernel/signal_32.c

+2 −2
Original line number Diff line number Diff line
@@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs) 
	sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];



	/* 1. Make sure we are not getting garbage from the user */

	if (!invalid_frame_pointer(sf, sizeof(*sf)))

	if (invalid_frame_pointer(sf, sizeof(*sf)))

		goto segv_and_exit;



	if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
@@ -150,7 +150,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs) 


	synchronize_user_stack();

	sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];

	if (!invalid_frame_pointer(sf, sizeof(*sf)))

	if (invalid_frame_pointer(sf, sizeof(*sf)))

		goto segv;



	if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))