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| author | Eric W. Biederman | 2019-05-23 17:17:27 +0200 |
|---|---|---|
| committer | Eric W. Biederman | 2019-05-27 16:36:28 +0200 |
| commit | 3cf5d076fb4d48979f382bc9452765bf8b79e740 (patch) | |
| tree | 935f7af65a7a7f1ba514f1da5b207e2dc298eaca /arch/um | |
| parent | signal: Remove task parameter from force_sigsegv (diff) | |
| download | kernel-qcow2-linux-3cf5d076fb4d48979f382bc9452765bf8b79e740.tar.gz kernel-qcow2-linux-3cf5d076fb4d48979f382bc9452765bf8b79e740.tar.xz kernel-qcow2-linux-3cf5d076fb4d48979f382bc9452765bf8b79e740.zip | |
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 'arch/um')
| -rw-r--r-- | arch/um/kernel/exec.c | 2 | ||||
| -rw-r--r-- | arch/um/kernel/tlb.c | 4 | ||||
| -rw-r--r-- | arch/um/kernel/trap.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index a43d42bf0a86..783b9247161f 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -32,7 +32,7 @@ void flush_thread(void) if (ret) { printk(KERN_ERR "flush_thread - clearing address space failed, " "err = %d\n", ret); - force_sig(SIGKILL, current); + force_sig(SIGKILL); } get_safe_registers(current_pt_regs()->regs.gp, current_pt_regs()->regs.fp); diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 8347161c2ae0..45f739bf302f 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -329,7 +329,7 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr, "process: %d\n", task_tgid_vnr(current)); /* We are under mmap_sem, release it such that current can terminate */ up_write(¤t->mm->mmap_sem); - force_sig(SIGKILL, current); + force_sig(SIGKILL); do_signal(¤t->thread.regs); } } @@ -487,7 +487,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long address) kill: printk(KERN_ERR "Failed to flush page for address 0x%lx\n", address); - force_sig(SIGKILL, current); + force_sig(SIGKILL); } pgd_t *pgd_offset_proc(struct mm_struct *mm, unsigned long address) diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index 646059402ab3..1c943c66063f 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -309,7 +309,7 @@ void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs) } else { printk(KERN_ERR "Attempted to relay unknown signal %d (si_code = %d) with errno %d\n", sig, code, err); - force_sig(sig, current); + force_sig(sig); } } |