The patch titled
Subject: kernel/fail_function.c: remove meaningless null pointer check before debugfs_remove_recursive
has been added to the -mm tree. Its filename is
error-injection-remove-meaningless-null-pointer-check-before-debugfs_remove_recursive.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/error-injection-remove-meaningless-null-pointer-check-before-debugfs_remove_recursive.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/error-injection-remove-meaningless-null-pointer-check-before-debugfs_remove_recursive.patch
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------------------------------------------------------
From: zhong jiang <zhongjiang@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/fail_function.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/kernel/fail_function.c~error-injection-remove-meaningless-null-pointer-check-before-debugfs_remove_recursive
+++ a/kernel/fail_function.c
@@ -173,8 +173,7 @@ static void fei_debugfs_remove_attr(stru
struct dentry *dir;
dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir);
- if (dir)
- debugfs_remove_recursive(dir);
+ debugfs_remove_recursive(dir);
}
static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs)
_
Patches currently in -mm which might be from zhongjiang@xxxxxxxxxx are
ocfs2-fix-a-gcc-compiled-warning.patch
mm-use-match_string-helper-to-simplify-the-code.patch
mm-page_owner-align-with-pageblock_nr-pages.patch
error-injection-remove-meaningless-null-pointer-check-before-debugfs_remove_recursive.patch
radix-tree-use-div_round_up-instead-of-reimplementing-its-function.patch
lib-sg_pool-remove-unnecessary-null-check-when-free-the-object.patch
kernel-kexec_file-remove-some-duplicated-include-file.patch
