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wifi: mt76: mt7996: guard tx_retries against TXFREE count=0 #1069

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wifi: mt76: mt7996: guard tx_retries against TXFREE count=0 #1069

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7 changes: 4 additions & 3 deletions mt7996/mac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1360,13 +1360,14 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len)
cur_info++;
continue;
} else if (info & MT_TXFREE_INFO_HEADER) {
u32 tx_retries = 0, tx_failed = 0;
u32 tx_retries = 0, tx_failed = 0, tx_count;

if (!wcid)
continue;

tx_retries =
FIELD_GET(MT_TXFREE_INFO_COUNT, info) - 1;
tx_count = FIELD_GET(MT_TXFREE_INFO_COUNT, info);
if (tx_count)
tx_retries = tx_count - 1;
tx_failed = tx_retries +
!!FIELD_GET(MT_TXFREE_INFO_STAT, info);

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