powerpc/mm: Remove a redundant test in do_page_fault()
authorChristophe Leroy <christophe.leroy@c-s.fr>
Wed, 19 Apr 2017 12:56:28 +0000 (14:56 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Fri, 2 Jun 2017 09:18:34 +0000 (19:18 +1000)
The result of (trap == 0x400) is already in is_exec.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/fault.c

index 67fefb59d40e52e5b65fa47d5562ac1016d1c6b1..059e762e8995e4461871725d61f4b65f8e43a17b 100644 (file)
@@ -216,7 +216,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
         * bits we are interested in.  But there are some bits which
         * indicate errors in DSISR but can validly be set in SRR1.
         */
-       if (trap == 0x400)
+       if (is_exec)
                error_code &= 0x48200000;
        else
                is_write = error_code & DSISR_ISSTORE;