sparc32: Fix inverted invalid_frame_pointer checks on sigreturns
authorAndreas Larsson <andreas@gaisler.com>
Wed, 9 Nov 2016 09:43:05 +0000 (10:43 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 11 Nov 2016 00:47:38 +0000 (16:47 -0800)
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/kernel/signal_32.c

index c3c12efe0bc004053fea6b49c2f34e51e1ffc32f..9c0c8fd0b2922cacd2ad6ad81f3238a707286d69 100644 (file)
@@ -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]))