Commit-ID: 5a802e15308f152247433d87050d1bfbf9613483 Gitweb: http://git.kernel.org/tip/5a802e15308f152247433d87050d1bfbf9613483 Author: Rusty Russell <[email protected]> AuthorDate: Sun, 16 Jun 2013 14:12:47 +0930 Committer: Ingo Molnar <[email protected]> CommitDate: Wed, 19 Jun 2013 15:01:36 +0200
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 <[email protected]> Cc: K.Prasad <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 772e2a8..9340dfb 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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
