diff options
Diffstat (limited to 'debian/patches-rt/0079-tracing-Remove-NULL-check-from-current-in-tracing_ge.patch')
| -rw-r--r-- | debian/patches-rt/0079-tracing-Remove-NULL-check-from-current-in-tracing_ge.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/debian/patches-rt/0079-tracing-Remove-NULL-check-from-current-in-tracing_ge.patch b/debian/patches-rt/0079-tracing-Remove-NULL-check-from-current-in-tracing_ge.patch new file mode 100644 index 000000000..5853f5af4 --- /dev/null +++ b/debian/patches-rt/0079-tracing-Remove-NULL-check-from-current-in-tracing_ge.patch @@ -0,0 +1,43 @@ +From 76993b5cd21ad0898e6d940ea5fe0449dec94465 Mon Sep 17 00:00:00 2001 +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +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 <bigeasy@linutronix.de> +Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + 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 + |