[ARM] 5221/1: fix ldm/stm emulation for kprobes

Logic for the p bit was reversed.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index b4565bb133c1..da1f94906a4e 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -488,7 +488,7 @@ static void __kprobes simulate_ldm1stm1(struct kprobe *p, struct pt_regs *regs)
 
         if (!ubit)
                 addr -= reg_count;
-        addr += (!pbit ^ !ubit);
+        addr += (!pbit == !ubit);
 
         reg_bit_vector = insn & 0xffff;
         while (reg_bit_vector) {
@@ -503,7 +503,7 @@ static void __kprobes simulate_ldm1stm1(struct kprobe *p, struct pt_regs *regs)
         if (wbit) {
                 if (!ubit)
                         addr -= reg_count;
-                addr -= (!pbit ^ !ubit);
+                addr -= (!pbit == !ubit);
                 regs->uregs[rn] = (long)addr;
         }
 }