1 files changed, 8 insertions, 5 deletions

diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c
index e8b813d2d0e4..a768008dfd06 100644
--- a/arch/m68knommu/kernel/traps.c
+++ b/arch/m68knommu/kernel/traps.c
@@ -179,14 +179,16 @@ static void __show_stack(struct task_struct *task, unsigned long *stack)
 
 void bad_super_trap(struct frame *fp)
 {
+        int vector = (fp->ptregs.vector >> 2) & 0xff;
+
         console_verbose();
-        if (fp->ptregs.vector < 4 * ARRAY_SIZE(vec_names))
+        if (vector < ARRAY_SIZE(vec_names))
                 printk (KERN_WARNING "*** %s ***   FORMAT=%X\n",
-                        vec_names[(fp->ptregs.vector) >> 2],
+                        vec_names[vector],
                         fp->ptregs.format);
         else
                 printk (KERN_WARNING "*** Exception %d ***   FORMAT=%X\n",
-                        (fp->ptregs.vector) >> 2, 
+                        vector,
                         fp->ptregs.format);
         printk (KERN_WARNING "Current process id is %d\n", current->pid);
         die_if_kernel("BAD KERNEL TRAP", &fp->ptregs, 0);
@@ -195,10 +197,11 @@ void bad_super_trap(struct frame *fp)
 asmlinkage void trap_c(struct frame *fp)
 {
         int sig;
+        int vector = (fp->ptregs.vector >> 2) & 0xff;
         siginfo_t info;
 
         if (fp->ptregs.sr & PS_S) {
-                if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
+                if (vector == VEC_TRACE) {
                         /* traced a trapping instruction */
                 } else
                         bad_super_trap(fp);
@@ -206,7 +209,7 @@ asmlinkage void trap_c(struct frame *fp)
         }
 
         /* send the appropriate signal to the user program */
-        switch ((fp->ptregs.vector) >> 2) {
+        switch (vector) {
             case VEC_ADDRERR:
                 info.si_code = BUS_ADRALN;
                 sig = SIGBUS;