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authorEric W. Biederman <ebiederm@xmission.com>2018-09-22 10:26:57 +0200
committerEric W. Biederman <ebiederm@xmission.com>2018-09-27 21:54:43 +0200
commitfeca355b3d8eba3a2cbca63c97a59a14681983f7 (patch)
tree4c60ae9d111db5870f794d8de3d6640deaaae944 /arch/arm64/kernel/ptrace.c
parent559d8d91a89cc2a0190781a5b5ce3faeaef7920f (diff)
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signal/arm64: Add and use arm64_force_sig_fault where appropriate
Wrap force_sig_fault with a helper that calls arm64_show_signal and call arm64_force_sig_fault where appropraite. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'arch/arm64/kernel/ptrace.c')
-rw-r--r--arch/arm64/kernel/ptrace.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 20b68cb31ecb..7ab75e78aa08 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -182,13 +182,6 @@ static void ptrace_hbptriggered(struct perf_event *bp,
struct pt_regs *regs)
{
struct arch_hw_breakpoint *bkpt = counter_arch_bp(bp);
- siginfo_t info;
-
- clear_siginfo(&info);
- info.si_signo = SIGTRAP;
- info.si_errno = 0;
- info.si_code = TRAP_HWBKPT;
- info.si_addr = (void __user *)(bkpt->trigger);
#ifdef CONFIG_COMPAT
if (is_compat_task()) {
@@ -211,7 +204,9 @@ static void ptrace_hbptriggered(struct perf_event *bp,
force_sig_ptrace_errno_trap(si_errno, (void __user *)bkpt->trigger);
}
#endif
- arm64_force_sig_info(&info, "Hardware breakpoint trap (ptrace)");
+ arm64_force_sig_fault(SIGTRAP, TRAP_HWBKPT,
+ (void __user *)(bkpt->trigger),
+ "Hardware breakpoint trap (ptrace)");
}
/*