linux-kernel - [PATCH] kernel/extable: fix address-checks for core

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Date:	Thu, 28 Nov 2013 09:16:33 +0100
From:	Helge Deller <deller@....de>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-parisc@...r.kernel.org,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Ingo Molnar <mingo@...e.hu>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH] kernel/extable: fix address-checks for core_kernel and init
 areas

The init_kernel_text() and core_kernel_text() functions should not include the
labels _einittext and _etext when checking if an address is inside the .text or
.init sections.

Signed-off-by: Helge Deller <deller@....de>

diff --git a/kernel/extable.c b/kernel/extable.c
index 832cb28..763faf0 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -61,7 +61,7 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr)
 static inline int init_kernel_text(unsigned long addr)
 {
 	if (addr >= (unsigned long)_sinittext &&
-	    addr <= (unsigned long)_einittext)
+	    addr < (unsigned long)_einittext)
 		return 1;
 	return 0;
 }
@@ -69,7 +69,7 @@ static inline int init_kernel_text(unsigned long addr)
 int core_kernel_text(unsigned long addr)
 {
 	if (addr >= (unsigned long)_stext &&
-	    addr <= (unsigned long)_etext)
+	    addr < (unsigned long)_etext)
 		return 1;
 
 	if (system_state == SYSTEM_BOOTING &&
--
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