On 2018/9/10 15:21, Ingo Molnar wrote: > * zhong jiang <zhongji...@huawei.com> wrote: > >> debugfs_remove_recursive has taken the null pointer into account. >> just remove the null check before debugfs_remove_recursive. >> >> Signed-off-by: zhong jiang <zhongji...@huawei.com> >> --- >> kernel/fail_function.c | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/kernel/fail_function.c b/kernel/fail_function.c >> index bc80a4e..17f75b5 100644 >> --- a/kernel/fail_function.c >> +++ b/kernel/fail_function.c >> @@ -173,8 +173,7 @@ 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); >> + debugfs_remove_recursive(dir); >> } >> >> static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs) > Please Cc: such patches to lkml and akpm. Ok, will do. > Thanks, > > Ingo > >
