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path: root/drivers/net/wireless/ath/ath10k/pci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/pci.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index b1eb9153c7f4..d0004d59c97e 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -765,7 +765,7 @@ static int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
unsigned int nentries_mask;
unsigned int sw_index;
unsigned int write_index;
- int err, i;
+ int err, i = 0;
spin_lock_bh(&ar_pci->ce_lock);
@@ -776,7 +776,7 @@ static int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
if (unlikely(CE_RING_DELTA(nentries_mask,
write_index, sw_index - 1) < n_items)) {
err = -ENOBUFS;
- goto unlock;
+ goto err;
}
for (i = 0; i < n_items - 1; i++) {
@@ -793,7 +793,7 @@ static int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
items[i].transfer_id,
CE_SEND_FLAG_GATHER);
if (err)
- goto unlock;
+ goto err;
}
/* `i` is equal to `n_items -1` after for() */
@@ -811,10 +811,15 @@ static int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
items[i].transfer_id,
0);
if (err)
- goto unlock;
+ goto err;
+
+ spin_unlock_bh(&ar_pci->ce_lock);
+ return 0;
+
+err:
+ for (; i > 0; i--)
+ __ath10k_ce_send_revert(ce_pipe);
- err = 0;
-unlock:
spin_unlock_bh(&ar_pci->ce_lock);
return err;
}