ptrace: remove PT_DTRACE from m68k, m68knommu

m68k sets PT_DTRACE in trap_c() but never uses it.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@snapgear.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/m68k/kernel/traps.c

@@ -1057,7 +1057,6 @@ asmlinkage void trap_c(struct frame *fp)
 	if (fp->ptregs.sr & PS_S) {
 		if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
 			/* traced a trapping instruction */
-			current->ptrace |= PT_DTRACE;
 		} else
 			bad_super_trap(fp);
 		return;

arch/m68knommu/kernel/asm-offsets.c

@@ -73,7 +73,6 @@ int main(void)
 	DEFINE(TRAP_TRACE, TRAP_TRACE);
 
 	DEFINE(PT_PTRACED, PT_PTRACED);
-	DEFINE(PT_DTRACE, PT_DTRACE);
 
 	DEFINE(THREAD_SIZE, THREAD_SIZE);
 

arch/m68knommu/kernel/traps.c

@@ -200,7 +200,6 @@ asmlinkage void trap_c(struct frame *fp)
 	if (fp->ptregs.sr & PS_S) {
 		if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
 			/* traced a trapping instruction */
-			current->ptrace |= PT_DTRACE;
 		} else
 			bad_super_trap(fp);
 		return;