diff options
author | David S. Miller <davem@davemloft.net> | 2008-06-10 05:22:26 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-06-10 05:22:26 -0400 |
commit | 65b53e4cc90e59936733b3b95b9451d2ca47528d (patch) | |
tree | 29932718192962671c48c3fd1ea017a6112459e8 /arch/sh/kernel/traps.c | |
parent | 788c0a53164c05c5ccdb1472474372b72ba74644 (diff) | |
parent | 2e761e0532a784816e7e822dbaaece8c5d4be14d (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.c | 10 |
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 | ||
22 | int is_valid_bugaddr(unsigned long addr) | 23 | int 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 | ||