Fix sparse warning:
drivers/net/skfp/hwmtm.c:1904:20: warning: assignment expression in conditional

Signed-off-by: Randy Dunlap <rddunlap@osdl.org>

diffstat:=
 drivers/net/skfp/hwmtm.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -Naurp ./drivers/net/skfp/hwmtm.c~skfp_expr ./drivers/net/skfp/hwmtm.c
--- ./drivers/net/skfp/hwmtm.c~skfp_expr	2004-08-13 22:36:59.000000000 -0700
+++ ./drivers/net/skfp/hwmtm.c	2004-10-10 15:15:21.090772760 -0700
@@ -1901,7 +1901,7 @@ void smt_send_mbuf(struct s_smc *smc, SM
 	}
 
 	if (!smc->hw.mac_ring_is_up || frag_count > queue->tx_free) {
-		if (frame_status &= ~LAN_TX) {
+		if ((frame_status &= ~LAN_TX) != 0) {
 			DB_TX("Ring is down: terminate LAN_TX",0,0,2) ;
 		}
 		else {