From 76993b5cd21ad0898e6d940ea5fe0449dec94465 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Wed, 3 Feb 2021 11:05:26 -0500 Subject: [PATCH 079/323] tracing: Remove NULL check from current in tracing_generic_entry_update(). Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz I can't imagine when or why `current' would return a NULL pointer. This check was added in commit 72829bc3d63cd ("ftrace: move enums to ftrace.h and make helper function global") but it doesn't give me hint why it was needed. Assume `current' never returns a NULL pointer and remove the check. Link: https://lkml.kernel.org/r/20210125194511.3924915-5-bigeasy@linutronix.de Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Steven Rostedt (VMware) Signed-off-by: Sebastian Andrzej Siewior --- include/linux/trace_events.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index c4b0524582d8..2fea9fcd4d4e 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -156,10 +156,8 @@ static inline void tracing_generic_entry_update(struct trace_entry *entry, unsigned short type, unsigned int trace_ctx) { - struct task_struct *tsk = current; - entry->preempt_count = trace_ctx & 0xff; - entry->pid = (tsk) ? tsk->pid : 0; + entry->pid = current->pid; entry->type = type; entry->flags = trace_ctx >> 16; } -- 2.43.0