ring-buffer: Fix return value check in test_ringbuffer()

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commit 62277de758 upstream.

In case of error, the function kthread_run() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Link: http://lkml.kernel.org/r/1466184839-14927-1-git-send-email-weiyj_lk@163.com

Fixes: 6c43e554a ("ring-buffer: Add ring buffer startup selftest")
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Wei Yongjun 2016-06-17 17:33:59 +00:00 • committed by Greg Kroah-Hartman

parent f7db18998e

commit 703cebf6e9

1 changed files with 4 additions and 4 deletions

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kernel/trace/ring_buffer.c

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