proc: just list_del() struct pde_opener

list_del_init() is too much, structure will be freed in three lines
anyway.

Link: http://lkml.kernel.org/r/20161029155313.GA1246@avx2Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/proc/inode.c

@@ -152,7 +152,7 @@ static void close_pdeo(struct proc_dir_entry *pde, struct pde_opener *pdeo)
 		file = pdeo->file;
 		pde->proc_fops->release(file_inode(file), file);
 		spin_lock(&pde->pde_unload_lock);
-		list_del_init(&pdeo->lh);
+		list_del(&pdeo->lh);
 		if (pdeo->c)
 			complete(pdeo->c);
 		kfree(pdeo);