[PATCH] ppc32: Simplified load string emulation error checking

[pandora-kernel.git] / arch / ppc / kernel / traps.c

diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index f8e7e32..c65731e 100644 (file)
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -408,12 +408,7 @@ static int emulate_string_inst(struct pt_regs *regs, u32 instword)
 
        /* Early out if we are an invalid form of lswx */
        if ((instword & INST_STRING_MASK) == INST_LSWX)
-               if ((rA >= rT) || (NB_RB >= rT) || (rT == rA) || (rT == NB_RB))
-                       return -EINVAL;
-
-       /* Early out if we are an invalid form of lswi */
-       if ((instword & INST_STRING_MASK) == INST_LSWI)
-               if ((rA >= rT) || (rT == rA))
+               if ((rT == rA) || (rT == NB_RB))
                        return -EINVAL;
 
        EA = (rA == 0) ? 0 : regs->gpr[rA];