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| author | Eric W. Biederman <ebiederm@xmission.com> | 2019-02-05 18:35:08 -0600 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2019-05-29 09:31:42 -0500 |
| commit | 9d631759818b9e53795ddaea2d3e807a485cd294 (patch) | |
| tree | 468e0c3b81c286f66c7beeac6b22deda52a2056e /arch/um/kernel/ptrace.c | |
| parent | 28d42ea14e489047caeaa89496a3ad7e0ae6a49f (diff) | |
| download | lwn-9d631759818b9e53795ddaea2d3e807a485cd294.tar.gz lwn-9d631759818b9e53795ddaea2d3e807a485cd294.zip | |
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/ptrace.c')
| -rw-r--r-- | arch/um/kernel/ptrace.c | 8 |
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, ®s->regs, 0); + send_sigtrap(®s->regs, 0); if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; |