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authorShannon Nelson <snelson@pensando.io>2020-03-27 20:14:46 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-30 11:40:50 -0700
commitd5eddde5ec526ccdd567c5842063c9aa89ab931e (patch)
treeb442af1af29c722eae2f245ee8da1387891ebc73 /drivers/net/ethernet/pensando/ionic
parentionic: clean tx queue of unfinished requests (diff)
downloadlinux-dev-d5eddde5ec526ccdd567c5842063c9aa89ab931e.tar.xz
linux-dev-d5eddde5ec526ccdd567c5842063c9aa89ab931e.zip
ionic: check for queues before deleting
Make sure the queue structures exist before trying to delete them. This addresses a couple of error recovery issues. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.c57
1 files changed, 38 insertions, 19 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index bab471b82e52..99c2d0bdcdb5 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1437,13 +1437,20 @@ static void ionic_txrx_disable(struct ionic_lif *lif)
unsigned int i;
int err;
- for (i = 0; i < lif->nxqs; i++) {
- err = ionic_qcq_disable(lif->txqcqs[i].qcq);
- if (err == -ETIMEDOUT)
- break;
- err = ionic_qcq_disable(lif->rxqcqs[i].qcq);
- if (err == -ETIMEDOUT)
- break;
+ if (lif->txqcqs) {
+ for (i = 0; i < lif->nxqs; i++) {
+ err = ionic_qcq_disable(lif->txqcqs[i].qcq);
+ if (err == -ETIMEDOUT)
+ break;
+ }
+ }
+
+ if (lif->rxqcqs) {
+ for (i = 0; i < lif->nxqs; i++) {
+ err = ionic_qcq_disable(lif->rxqcqs[i].qcq);
+ if (err == -ETIMEDOUT)
+ break;
+ }
}
}
@@ -1451,14 +1458,20 @@ static void ionic_txrx_deinit(struct ionic_lif *lif)
{
unsigned int i;
- for (i = 0; i < lif->nxqs; i++) {
- ionic_lif_qcq_deinit(lif, lif->txqcqs[i].qcq);
- ionic_tx_flush(&lif->txqcqs[i].qcq->cq);
- ionic_tx_empty(&lif->txqcqs[i].qcq->q);
+ if (lif->txqcqs) {
+ for (i = 0; i < lif->nxqs; i++) {
+ ionic_lif_qcq_deinit(lif, lif->txqcqs[i].qcq);
+ ionic_tx_flush(&lif->txqcqs[i].qcq->cq);
+ ionic_tx_empty(&lif->txqcqs[i].qcq->q);
+ }
+ }
- ionic_lif_qcq_deinit(lif, lif->rxqcqs[i].qcq);
- ionic_rx_flush(&lif->rxqcqs[i].qcq->cq);
- ionic_rx_empty(&lif->rxqcqs[i].qcq->q);
+ if (lif->rxqcqs) {
+ for (i = 0; i < lif->nxqs; i++) {
+ ionic_lif_qcq_deinit(lif, lif->rxqcqs[i].qcq);
+ ionic_rx_flush(&lif->rxqcqs[i].qcq->cq);
+ ionic_rx_empty(&lif->rxqcqs[i].qcq->q);
+ }
}
}
@@ -1466,12 +1479,18 @@ static void ionic_txrx_free(struct ionic_lif *lif)
{
unsigned int i;
- for (i = 0; i < lif->nxqs; i++) {
- ionic_qcq_free(lif, lif->txqcqs[i].qcq);
- lif->txqcqs[i].qcq = NULL;
+ if (lif->txqcqs) {
+ for (i = 0; i < lif->nxqs; i++) {
+ ionic_qcq_free(lif, lif->txqcqs[i].qcq);
+ lif->txqcqs[i].qcq = NULL;
+ }
+ }
- ionic_qcq_free(lif, lif->rxqcqs[i].qcq);
- lif->rxqcqs[i].qcq = NULL;
+ if (lif->rxqcqs) {
+ for (i = 0; i < lif->nxqs; i++) {
+ ionic_qcq_free(lif, lif->rxqcqs[i].qcq);
+ lif->rxqcqs[i].qcq = NULL;
+ }
}
}