diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2019-05-23 10:17:27 -0500 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2019-05-27 09:36:28 -0500 |
| commit | 3cf5d076fb4d48979f382bc9452765bf8b79e740 (patch) | |
| tree | 935f7af65a7a7f1ba514f1da5b207e2dc298eaca /kernel | |
| parent | cb44c9a0ab21a9ae4dfcabac1ed8e38aa872d1af (diff) | |
signal: Remove task parameter from force_sig
All of the remaining callers pass current into force_sig so
remove the task parameter to make this obvious and to make
misuse more difficult in the future.
This also makes it clear force_sig passes current into force_sig_info.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/uprobes.c | 4 | ||||
| -rw-r--r-- | kernel/rseq.c | 2 | ||||
| -rw-r--r-- | kernel/signal.c | 6 |
3 files changed, 6 insertions, 6 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 78f61bfc6b79..359122185cfb 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -2112,7 +2112,7 @@ static void handle_trampoline(struct pt_regs *regs) sigill: uprobe_warn(current, "handle uretprobe, sending SIGILL."); - force_sig(SIGILL, current); + force_sig(SIGILL); } @@ -2228,7 +2228,7 @@ static void handle_singlestep(struct uprobe_task *utask, struct pt_regs *regs) if (unlikely(err)) { uprobe_warn(current, "execute the probed insn, sending SIGILL."); - force_sig(SIGILL, current); + force_sig(SIGILL); } } diff --git a/kernel/rseq.c b/kernel/rseq.c index e1aa3ebee291..27c48eb7de40 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -296,7 +296,7 @@ void rseq_syscall(struct pt_regs *regs) return; if (!access_ok(t->rseq, sizeof(*t->rseq)) || rseq_get_rseq_cs(t, &rseq_cs) || in_rseq_cs(ip, &rseq_cs)) - force_sig(SIGSEGV, t); + force_sig(SIGSEGV); } #endif diff --git a/kernel/signal.c b/kernel/signal.c index f7669d240ce4..20878c4c28c2 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1595,9 +1595,9 @@ send_sig(int sig, struct task_struct *p, int priv) } EXPORT_SYMBOL(send_sig); -void force_sig(int sig, struct task_struct *p) +void force_sig(int sig) { - force_sig_info(sig, SEND_SIG_PRIV, p); + force_sig_info(sig, SEND_SIG_PRIV, current); } EXPORT_SYMBOL(force_sig); @@ -1617,7 +1617,7 @@ void force_sigsegv(int sig) p->sighand->action[sig - 1].sa.sa_handler = SIG_DFL; spin_unlock_irqrestore(&p->sighand->siglock, flags); } - force_sig(SIGSEGV, p); + force_sig(SIGSEGV); } int force_sig_fault(int sig, int code, void __user *addr |