cifs backport request

[Paulo Alcantara <pc@xxxxxx>]

Hi Greg,

Could you please pick these commits for >= linux-5.7.y

        ef605e868212 ("cifs: skip trailing separators of prefix paths")
        ee3c8019cce2 ("cifs: fix uninitialized pointer in error case in dfs_cache_get_tgt_share")

as part of a fix for

	bacd704a95ad ("cifs: handle prefix paths in reconnect")