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tracing/perf: Use strndup_user instead of kzalloc/strncpy_from_user
authorChuang Wang <nashuiliang@gmail.com>
Mon, 21 Nov 2022 08:08:31 +0000 (16:08 +0800)
committerSteven Rostedt (Google) <rostedt@goodmis.org>
Thu, 24 Nov 2022 00:08:31 +0000 (19:08 -0500)
commit9430cd62b6ccdf1f06915cc06561f0e364809604
treeefa672b6262d43e9d4cb4caeb0994273c6356404
parent67543cd6b8eee53959e624b9ce420ca4d47be0c8
tracing/perf: Use strndup_user instead of kzalloc/strncpy_from_user

This patch uses strndup_user instead of kzalloc + strncpy_from_user,
which makes the code more concise.

Link: https://lkml.kernel.org/r/20221121080831.707409-1-nashuiliang@gmail.com
Signed-off-by: Chuang Wang <nashuiliang@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
kernel/trace/trace_event_perf.c