diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2013-06-16 14:12:47 +0930 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-06-19 15:01:36 +0200 |
| commit | 5a802e15308f152247433d87050d1bfbf9613483 (patch) | |
| tree | 0507ee1679856c252238f5507d3aa04f2268956d /arch/x86/kernel/traps.c | |
| parent | 4338774cd41a6abf72aa76585ce2184cea8ff8a2 (diff) | |
x86: Remove weird PTR_ERR() in do_debug
62edab905 changed the argument to notify_die() from dr6 to &dr6,
but weirdly, used PTR_ERR() to cast it to a long. Since dr6 is
on the stack, this is an abuse of PTR_ERR(). Cast to long, as
per kernel standard.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1371357768-4968-8-git-send-email-rusty@rustcorp.com.au
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/traps.c')
| -rw-r--r-- | arch/x86/kernel/traps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 772e2a846dec..9340dfb7057f 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -437,7 +437,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) /* Store the virtualized DR6 value */ tsk->thread.debugreg6 = dr6; - if (notify_die(DIE_DEBUG, "debug", regs, PTR_ERR(&dr6), error_code, + if (notify_die(DIE_DEBUG, "debug", regs, (long)&dr6, error_code, SIGTRAP) == NOTIFY_STOP) goto exit; |