Revert "ozwpan: replace alloc_skb with dev_alloc_skb in ozproto.c"

This reverts commit c3147965384f1a5ace685dc34e78f9bb201f357d.

I shouldn't have applied it, my fault.

Cc: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c
index 83bbd4b..3badf15 100644
--- a/drivers/staging/ozwpan/ozproto.c
+++ b/drivers/staging/ozwpan/ozproto.c
@@ -97,7 +97,7 @@
 	struct oz_elt_connect_rsp *body;
 	int sz = sizeof(struct oz_hdr) + sizeof(struct oz_elt) +
 			sizeof(struct oz_elt_connect_rsp);
-	skb = dev_alloc_skb(sz + OZ_ALLOCATED_SPACE(dev));
+	skb = alloc_skb(sz + OZ_ALLOCATED_SPACE(dev), GFP_ATOMIC);
 	if (skb == NULL)
 		return;
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));