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>

diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 5f47422401e1e98d634d12882bd098a9c77a6207..1797dfe9ce6d46ab61e19b0642bb21e807d044ec 100644 (file)
--- 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;