diff options
| -rw-r--r-- | arch/x86/kernel/traps.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 31a689b67be3..23ac69a61a95 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -189,7 +189,7 @@ int fixup_bug(struct pt_regs *regs, int trapnr) } static nokprobe_inline int -do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, +do_trap_no_signal(struct task_struct *tsk, int trapnr, const char *str, struct pt_regs *regs, long error_code) { if (v8086_mode(regs)) { @@ -202,10 +202,7 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, error_code, trapnr)) return 0; } - return -1; - } - - if (!user_mode(regs)) { + } else if (!user_mode(regs)) { if (fixup_exception(regs, trapnr)) return 0; @@ -214,6 +211,18 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, die(str, regs, error_code); } + /* + * We want error_code and trap_nr set for userspace faults and + * kernelspace faults which result in die(), but not + * kernelspace faults which are fixed up. die() gives the + * process no chance to handle the signal and notice the + * kernel fault information, so that won't result in polluting + * the information about previously queued, but not yet + * delivered, faults. See also do_general_protection below. + */ + tsk->thread.error_code = error_code; + tsk->thread.trap_nr = trapnr; + return -1; } @@ -271,17 +280,6 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, if (!do_trap_no_signal(tsk, trapnr, str, regs, error_code)) return; - /* - * We want error_code and trap_nr set for userspace faults and - * kernelspace faults which result in die(), but not - * kernelspace faults which are fixed up. die() gives the - * process no chance to handle the signal and notice the - * kernel fault information, so that won't result in polluting - * the information about previously queued, but not yet - * delivered, faults. See also do_general_protection below. - */ - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = trapnr; show_signal(tsk, signr, "trap ", str, regs, error_code); |