From: Li Zhong <floridsleeves@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@redhat.com, rostedt@goodmis.org,
Li Zhong <floridsleeves@gmail.com>
Subject: [PATCH v1] kernel/trace/trace: check the return value of tracing_update_buffers()
Date: Fri, 16 Sep 2022 19:03:53 -0700 [thread overview]
Message-ID: <20220917020353.3836285-1-floridsleeves@gmail.com> (raw)
Check the return value of tracing_update_buffers() in case it fails.
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
---
kernel/trace/trace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d3005279165d..0e367e326147 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3305,7 +3305,8 @@ void trace_printk_init_buffers(void)
pr_warn("**********************************************************\n");
/* Expand the buffers to set size */
- tracing_update_buffers();
+ if (tracing_update_buffers() < 0)
+ return;
buffers_allocated = 1;
--
2.25.1
next reply other threads:[~2022-09-17 2:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-17 2:03 Li Zhong [this message]
2022-09-26 18:32 ` Steven Rostedt
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