ipc/mqueue: remove unnecessary (void*) conversion

Remove unnecessary void* type casting.

Link: https://lkml.kernel.org/r/20220628021251.17197-1-yuzhe@nfschina.comSigned-off-by: Yu Zhe <yuzhe@nfschina.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

ipc/mqueue.c

@@ -489,7 +489,7 @@ static struct vfsmount *mq_create_mount(struct ipc_namespace *ns)
 
 static void init_once(void *foo)
 {
-	struct mqueue_inode_info *p = (struct mqueue_inode_info *) foo;
+	struct mqueue_inode_info *p = foo;
 
 	inode_init_once(&p->vfs_inode);
 }