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authorChristian Brauner <christian@brauner.io>2018-08-22 07:59:51 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 20:52:50 +0300
commit52cba1a274818c3ee6299c1a1b476e7bc5037a2f (patch)
tree3b5c8a47b0c4d1e926fc713e3cf40459898ae0ce /include
parentf423420c23899469a3ba4e100def43ab26f2e0bf (diff)
downloadlinux-52cba1a274818c3ee6299c1a1b476e7bc5037a2f.tar.xz
signal: make force_sigsegv() void
Patch series "signal: refactor some functions", v3. This series refactors a bunch of functions in signal.c to simplify parts of the code. The greatest single change is declaring the static do_sigpending() helper as void which makes it possible to remove a bunch of unnecessary checks in the syscalls later on. This patch (of 17): force_sigsegv() returned 0 unconditionally so it doesn't make sense to have it return at all. In addition, there are no callers that check force_sigsegv()'s return value. Link: http://lkml.kernel.org/r/20180602103653.18181-2-christian@brauner.io Signed-off-by: Christian Brauner <christian@brauner.io> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: James Morris <james.morris@microsoft.com> Cc: Kees Cook <keescook@chromium.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sched/signal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 113d1ad1ced7..e138ac16c650 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -314,7 +314,7 @@ int force_sig_pkuerr(void __user *addr, u32 pkey);
int force_sig_ptrace_errno_trap(int errno, void __user *addr);
extern int send_sig_info(int, struct siginfo *, struct task_struct *);
-extern int force_sigsegv(int, struct task_struct *);
+extern void force_sigsegv(int sig, struct task_struct *p);
extern int force_sig_info(int, struct siginfo *, struct task_struct *);
extern int __kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp);
extern int kill_pid_info(int sig, struct siginfo *info, struct pid *pid);