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authorDavid S. Miller <davem@davemloft.net>2008-06-10 05:22:26 -0400
committerDavid S. Miller <davem@davemloft.net>2008-06-10 05:22:26 -0400
commit65b53e4cc90e59936733b3b95b9451d2ca47528d (patch)
tree29932718192962671c48c3fd1ea017a6112459e8 /arch/sh/kernel/traps.c
parent788c0a53164c05c5ccdb1472474372b72ba74644 (diff)
parent2e761e0532a784816e7e822dbaaece8c5d4be14d (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/tg3.c drivers/net/wireless/rt2x00/rt2x00dev.c net/mac80211/ieee80211_i.h
Diffstat (limited to 'arch/sh/kernel/traps.c')
-rw-r--r--arch/sh/kernel/traps.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index a3bdc68ef02c..438f1ebcc453 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -4,6 +4,7 @@
4#include <linux/kdebug.h> 4#include <linux/kdebug.h>
5#include <linux/signal.h> 5#include <linux/signal.h>
6#include <linux/sched.h> 6#include <linux/sched.h>
7#include <linux/uaccess.h>
7#include <asm/system.h> 8#include <asm/system.h>
8 9
9#ifdef CONFIG_BUG 10#ifdef CONFIG_BUG
@@ -21,7 +22,14 @@ static void handle_BUG(struct pt_regs *regs)
21 22
22int is_valid_bugaddr(unsigned long addr) 23int is_valid_bugaddr(unsigned long addr)
23{ 24{
24 return addr >= PAGE_OFFSET; 25 unsigned short opcode;
26
27 if (addr < PAGE_OFFSET)
28 return 0;
29 if (probe_kernel_address((u16 *)addr, opcode))
30 return 0;
31
32 return opcode == TRAPA_BUG_OPCODE;
25} 33}
26#endif 34#endif
27 35