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Subject[REVIEW][PATCH 12/26] signal/um: Remove task parameter from send_sigtrap
The send_sigtrap function is always called with task == current.  Make
that explicit by removing the task parameter.

This also makes it clear that the uml send_sigtrap passes current
into force_sig_fault.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
arch/um/kernel/ptrace.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 5f47422401e1..1797dfe9ce6d 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -112,13 +112,13 @@ long arch_ptrace(struct task_struct *child, long request,
return ret;
}

-static void send_sigtrap(struct task_struct *tsk, struct uml_pt_regs *regs,
- int error_code)
+static void send_sigtrap(struct uml_pt_regs *regs, int error_code)
{
/* Send us the fake SIGTRAP */
force_sig_fault(SIGTRAP, TRAP_BRKPT,
/* User-mode eip? */
- UPT_IS_USER(regs) ? (void __user *) UPT_IP(regs) : NULL, tsk);
+ UPT_IS_USER(regs) ? (void __user *) UPT_IP(regs) : NULL,
+ current);
}

/*
@@ -147,7 +147,7 @@ void syscall_trace_leave(struct pt_regs *regs)

/* Fake a debug trap */
if (ptraced & PT_DTRACE)
- send_sigtrap(current, &regs->regs, 0);
+ send_sigtrap(&regs->regs, 0);

if (!test_thread_flag(TIF_SYSCALL_TRACE))
return;
--
2.21.0
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