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9f60dd01e62c4b2bda7ae6f12e3a87f8419df1d9
When FIELD_GET returns 0 for the retry count, subtracting 1 causes
an unsigned integer underflow, resulting in tx_retries becoming a
very large value (0xFFFFFFFF for u32).
Fix by checking if count is non-zero before subtracting 1.
Fixes: 2461599f835e ("wifi: mt76: mt7996: get tx_retries and tx_failed from txfree")
Signed-off-by: Ryder Lee <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
Description
mac80211 driver for MediaTek MT76x0e, MT76x2e, MT7603, MT7615, MT7628 and MT7688
105 MiB
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