[PATCH] 3c59x: don't enable scatter/gather w/o checksum support

It is not valid to enable scatter/gather without hardware checksum support
of some kind. (akpm: applies only to the old boomerang cards).

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index c1ee8efc9d56..7488ee7f7caf 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1536,11 +1536,10 @@ static int __devinit vortex_probe1(struct device *gendev,
         if (vp->full_bus_master_tx) {
                 dev->hard_start_xmit = boomerang_start_xmit;
                 /* Actually, it still should work with iommu. */
-                dev->features |= NETIF_F_SG;
                 if (card_idx < MAX_UNITS &&
                     ((hw_checksums[card_idx] == -1 && (vp->drv_flags & HAS_HWCKSM)) ||
                                 hw_checksums[card_idx] == 1)) {
-                        dev->features |= NETIF_F_IP_CSUM;
+                        dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
                 }
         } else {
                 dev->hard_start_xmit = vortex_start_xmit;