Commit ea6f6504 authored Oct 30, 2018 by zhong jiang Committed by Linus Torvalds Oct 31, 2018

kernel/fail_function.c: remove meaningless null pointer check before debugfs_remove_recursive

debugfs_remove_recursive() has taken the null pointer into account.  just
remove the null check before debugfs_remove_recursive().

Link: http://lkml.kernel.org/r/1537494404-16473-1-git-send-email-zhongjiang@huawei.com


Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent de0d22e5

kernel/fail_function.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -173,7 +173,6 @@ static void fei_debugfs_remove_attr(struct fei_attr *attr)
		struct dentry *dir;

		dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir);
		if (dir)
		debugfs_remove_recursive(dir);
		}

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