ice: Use EOPNOTSUPP instead of ENOTSUPP

Using ENOTSUPP almost always results in some bizarre error message to
be printed in userspace. This is likely because ENOTSUPP was defined for
the NFS protocol (as per a comment in include/linux/errno.h). Use
EOPNOTSUPP instead.
Signed-off-by: NAnirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: NTony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c

@@ -1429,7 +1429,7 @@ static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
 	if (num_vfs > pf->num_vfs_supported) {
 		dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n",
 			num_vfs, pf->num_vfs_supported);
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 
 	dev_info(dev, "Allocating %d VFs\n", num_vfs);

drivers/net/ethernet/intel/ice/ice_xsk.h

@@ -24,7 +24,7 @@ ice_xsk_umem_setup(struct ice_vsi __always_unused *vsi,
 		   struct xdp_umem __always_unused *umem,
 		   u16 __always_unused qid)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static inline void
@@ -63,7 +63,7 @@ static inline int
 ice_xsk_wakeup(struct net_device __always_unused *netdev,
 	       u32 __always_unused queue_id, u32 __always_unused flags)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 #define ice_xsk_clean_rx_ring(rx_ring) do {} while (0)