2.6.22: ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined!

On Tue, Jun 19, Stephen Hemminger wrote:
> Olaf Hering <olaf@aepfle.de> wrote:
> > What happend to __ucmpdi2 from David Woodhouse?
> > google has a few hits about stuff like this on 32bit powerpc with gcc 4.1.2:
> >
> > ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined!
> >
> > using the drivers/net/s2io* files from 2.6.21 with 2.6.22-rc5 fixes the
> > compile.
> >
> > 25805dcf9d adds two u64 >>= 48 followed by
> > a switch statement (line 2889 and 6816).
>
> Probably the "switch(err) {" needs a cast to a smaller type (like u8).

This change removes the compiler-generated calls to __ucmpdi2.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Olaf Hering 2007-06-19 22:41:10 +02:00 committed by Jeff Garzik
parent 549f800983
commit f9046eb3f6

View File

@ -2868,6 +2868,7 @@ static void tx_intr_handler(struct fifo_info *fifo_data)
struct tx_curr_get_info get_info, put_info;
struct sk_buff *skb;
struct TxD *txdlp;
u8 err_mask;
get_info = fifo_data->tx_curr_get_info;
memcpy(&put_info, &fifo_data->tx_curr_put_info, sizeof(put_info));
@ -2886,8 +2887,8 @@ static void tx_intr_handler(struct fifo_info *fifo_data)
}
/* update t_code statistics */
err >>= 48;
switch(err) {
err_mask = err >> 48;
switch(err_mask) {
case 2:
nic->mac_control.stats_info->sw_stat.
tx_buf_abort_cnt++;
@ -6805,6 +6806,7 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp)
u16 l3_csum, l4_csum;
unsigned long long err = rxdp->Control_1 & RXD_T_CODE;
struct lro *lro;
u8 err_mask;
skb->dev = dev;
@ -6813,8 +6815,8 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp)
if (err & 0x1) {
sp->mac_control.stats_info->sw_stat.parity_err_cnt++;
}
err >>= 48;
switch(err) {
err_mask = err >> 48;
switch(err_mask) {
case 1:
sp->mac_control.stats_info->sw_stat.
rx_parity_err_cnt++;
@ -6867,9 +6869,9 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp)
* Note that in this case, since checksum will be incorrect,
* stack will validate the same.
*/
if (err != 0x5) {
DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n",
dev->name, err);
if (err_mask != 0x5) {
DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%x\n",
dev->name, err_mask);
sp->stats.rx_crc_errors++;
sp->mac_control.stats_info->sw_stat.mem_freed
+= skb->truesize;