Merge b7b7a8df ("nfsd: return -EINVAL when namelen is 0") into android14-5.15-lts

Steps on the way to 5.15.168

Resolves merge conflicts in:
	fs/nfsd/filecache.c

Change-Id: I8d699f43eb08c7d931b0bdbc7873528a96de79f2
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>