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| author |   Eric W. Biederman <ebiederm@xmission.com> | 2018-09-18 01:16:39 +0200 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2018-09-21 15:30:54 +0200 |
| commit | 0a996c1a3f260ba6fe1201a668d31fa8d8339793 (patch) | |
| tree | 24db881f7fa63a53e12d4d31a759cb1dd7293b64 /arch/x86/kernel/traps.c | |
| parent | signal/x86: Pass pkey by value (diff) | |
| download | linux-dev-0a996c1a3f260ba6fe1201a668d31fa8d8339793.tar.xz linux-dev-0a996c1a3f260ba6fe1201a668d31fa8d8339793.zip | |
signal/x86: Use force_sig_fault where appropriate
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/x86/kernel/traps.c')
| -rw-r--r-- | arch/x86/kernel/traps.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index ce9a4112897a..34a327f35976 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -808,7 +808,7 @@ static void math_error(struct pt_regs *regs, int error_code, int trapnr) { struct task_struct *task = current; struct fpu *fpu = &task->thread.fpu; - siginfo_t info; + int si_code; char *str = (trapnr == X86_TRAP_MF) ? "fpu exception" : "simd exception"; @@ -834,18 +834,14 @@ static void math_error(struct pt_regs *regs, int error_code, int trapnr) task->thread.trap_nr = trapnr; task->thread.error_code = error_code; - clear_siginfo(&info); - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_addr = (void __user *)uprobe_get_trap_addr(regs); - - info.si_code = fpu__exception_code(fpu, trapnr); + si_code = fpu__exception_code(fpu, trapnr); /* Retry when we get spurious exceptions: */ - if (!info.si_code) + if (!si_code) return; - force_sig_info(SIGFPE, &info, task); + force_sig_fault(SIGFPE, si_code, + (void __user *)uprobe_get_trap_addr(regs), task); } dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) |