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authorEric W. Biederman <ebiederm@xmission.com>2019-02-05 18:35:08 -0600
committerEric W. Biederman <ebiederm@xmission.com>2019-05-29 09:31:42 -0500
commit9d631759818b9e53795ddaea2d3e807a485cd294 (patch)
tree468e0c3b81c286f66c7beeac6b22deda52a2056e /arch/um/kernel
parent28d42ea14e489047caeaa89496a3ad7e0ae6a49f (diff)
downloadlinux-9d631759818b9e53795ddaea2d3e807a485cd294.tar.gz
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>
Diffstat (limited to 'arch/um/kernel')
-rw-r--r--arch/um/kernel/ptrace.c8
1 files 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;