Commit 7acc2087 authored by Ajit Khaparde's avatar Ajit Khaparde Committed by David S. Miller

be2net: gracefully handle situations when UE is detected

Avoid accessing the hardware when UE is detected.
Signed-off-by: default avatarAjit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a4ca055f
......@@ -23,6 +23,12 @@ static void be_mcc_notify(struct be_adapter *adapter)
struct be_queue_info *mccq = &adapter->mcc_obj.q;
u32 val = 0;
if (adapter->eeh_err) {
dev_info(&adapter->pdev->dev,
"Error in Card Detected! Cannot issue commands\n");
return;
}
val |= mccq->id & DB_MCCQ_RING_ID_MASK;
val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
......@@ -217,6 +223,9 @@ static int be_mcc_wait_compl(struct be_adapter *adapter)
int i, num, status = 0;
struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
if (adapter->eeh_err)
return -EIO;
for (i = 0; i < mcc_timeout; i++) {
num = be_process_mcc(adapter, &status);
if (num)
......@@ -246,6 +255,12 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
int msecs = 0;
u32 ready;
if (adapter->eeh_err) {
dev_err(&adapter->pdev->dev,
"Error detected in card.Cannot issue commands\n");
return -EIO;
}
do {
ready = ioread32(db);
if (ready == 0xffffffff) {
......
......@@ -1827,6 +1827,7 @@ void be_detect_dump_ue(struct be_adapter *adapter)
if (ue_status_lo || ue_status_hi) {
adapter->ue_detected = true;
adapter->eeh_err = true;
dev_err(&adapter->pdev->dev, "UE Detected!!\n");
}
......
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