linux-kernel - [PATCH 5.2 388/413] powerpc/mm/32s: fix condition that is always true

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Date:   Wed, 24 Jul 2019 21:21:19 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andreas Schwab <schwab@...ux-m68k.org>,
        Christophe Leroy <christophe.leroy@....fr>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: [PATCH 5.2 388/413] powerpc/mm/32s: fix condition that is always true

From: Andreas Schwab <schwab@...ux-m68k.org>

commit 46c2478af610efb3212b8b08f74389d69899ef70 upstream.

Move a misplaced paren that makes the condition always true.

Fixes: 63b2bc619565 ("powerpc/mm/32s: Use BATs for STRICT_KERNEL_RWX")
Cc: stable@...r.kernel.org # v5.1+
Signed-off-by: Andreas Schwab <schwab@...ux-m68k.org>
Reviewed-by: Christophe Leroy <christophe.leroy@....fr>
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/powerpc/mm/pgtable_32.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -360,7 +360,7 @@ void mark_initmem_nx(void)
 	unsigned long numpages = PFN_UP((unsigned long)_einittext) -
 				 PFN_DOWN((unsigned long)_sinittext);
 
-	if (v_block_mapped((unsigned long)_stext) + 1)
+	if (v_block_mapped((unsigned long)_stext + 1))
 		mmu_mark_initmem_nx();
 	else
 		change_page_attr(page, numpages, PAGE_KERNEL);