1 files changed, 13 insertions, 13 deletions

diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c
index ab03bac497cb..614c32b6325b 100644
--- a/arch/mn10300/mm/misalignment.c
+++ b/arch/mn10300/mm/misalignment.c
@@ -43,11 +43,11 @@
 #endif
 
 static int misalignment_addr(unsigned long *registers, unsigned params,
-                             unsigned opcode, unsigned disp,
+                             unsigned opcode, unsigned long disp,
                              void **_address, unsigned long **_postinc);
 
 static int misalignment_reg(unsigned long *registers, unsigned params,
-                            unsigned opcode, unsigned disp,
+                            unsigned opcode, unsigned long disp,
                             unsigned long **_register);
 
 static const unsigned Dreg_index[] = {
@@ -304,13 +304,13 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code)
         const struct exception_table_entry *fixup;
         const struct mn10300_opcode *pop;
         unsigned long *registers = (unsigned long *) regs;
-        unsigned long data, *store, *postinc;
+        unsigned long data, *store, *postinc, disp;
         mm_segment_t seg;
         siginfo_t info;
-        uint32_t opcode, disp, noc, xo, xm;
+        uint32_t opcode, noc, xo, xm;
         uint8_t *pc, byte;
         void *address;
-        unsigned tmp, npop;
+        unsigned tmp, npop, dispsz, loop;
 
         kdebug("==>misalignment({pc=%lx})", regs->pc);
 
@@ -445,17 +445,17 @@ found_opcode:
 
         /* grab the extra displacement (note it's LSB first) */
         disp = 0;
-        tmp = format_tbl[pop->format].dispsz >> 3;
-        while (tmp > 0) {
-                tmp--;
-                disp <<= 8;
-
+        dispsz = format_tbl[pop->format].dispsz;
+        for (loop = 0; loop < dispsz; loop += 8) {
                 pc++;
                 if (__get_user(byte, pc) != 0)
                         goto fetch_error;
-                disp |= byte;
+                disp |= byte << loop;
+                kdebug("{%p} disp[%02x]=%02x", pc, loop, byte);
         }
 
+        kdebug("disp=%lx", disp);
+
         set_fs(KERNEL_XDS);
         if (fixup || regs->epsw & EPSW_nSL)
                 set_fs(seg);
@@ -538,7 +538,7 @@ found_opcode:
  * determine the address that was being accessed
  */
 static int misalignment_addr(unsigned long *registers, unsigned params,
-                             unsigned opcode, unsigned disp,
+                             unsigned opcode, unsigned long disp,
                              void **_address, unsigned long **_postinc)
 {
         unsigned long *postinc = NULL, address = 0, tmp;
@@ -644,7 +644,7 @@ static int misalignment_addr(unsigned long *registers, unsigned params,
  * determine the register that is acting as source/dest
  */
 static int misalignment_reg(unsigned long *registers, unsigned params,
-                            unsigned opcode, unsigned disp,
+                            unsigned opcode, unsigned long disp,
                             unsigned long **_register)
 {
         params &= 0x7fffffff;