diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-09-01 12:45:08 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-09-03 09:53:42 -0400 |
| commit | a0c2c19093bb326ecce4231e558f92e1e7985e37 (patch) | |
| tree | 432ca30ec11605908bfd7449c1b53e6fb5f09ac1 /drivers/net/sfc/selftest.c | |
| parent | 60ac10658c2e234cf7bc27e0930e324c6c6fcf61 (diff) | |
| download | lwn-a0c2c19093bb326ecce4231e558f92e1e7985e37.tar.gz lwn-a0c2c19093bb326ecce4231e558f92e1e7985e37.zip | |
sfc: Avoid mangling error codes in efx_test_loopback()
efx_test_loopback() used "|" to combine the results of the RX and TX
phases. If both phases fail with different error codes, this results
in a bogus error code.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/sfc/selftest.c')
| -rw-r--r-- | drivers/net/sfc/selftest.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c index 0a4778629178..c79ddcec0994 100644 --- a/drivers/net/sfc/selftest.c +++ b/drivers/net/sfc/selftest.c @@ -514,7 +514,7 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, struct efx_nic *efx = tx_queue->efx; struct efx_selftest_state *state = efx->loopback_selftest; struct efx_channel *channel; - int i, rc = 0; + int i, tx_rc, rx_rc; for (i = 0; i < loopback_test_level; i++) { /* Determine how many packets to send */ @@ -531,7 +531,7 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, state->packet_count); efx_iterate_state(efx); - rc = efx_tx_loopback(tx_queue); + tx_rc = efx_tx_loopback(tx_queue); /* NAPI polling is not enabled, so process channels synchronously */ schedule_timeout_uninterruptible(HZ / 50); @@ -540,14 +540,14 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, efx_process_channel_now(channel); } - rc |= efx_rx_loopback(tx_queue, lb_tests); + rx_rc = efx_rx_loopback(tx_queue, lb_tests); kfree(state->skbs); - if (rc) { + if (tx_rc || rx_rc) { /* Wait a while to ensure there are no packets * floating around after a failure. */ schedule_timeout_uninterruptible(HZ / 10); - return rc; + return tx_rc ? tx_rc : rx_rc; } } @@ -555,7 +555,7 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, "of %d packets\n", tx_queue->queue, LOOPBACK_MODE(efx), state->packet_count); - return rc; + return 0; } static int efx_test_loopbacks(struct efx_nic *efx, |