[ Upstream commit
ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 ]
The first pointer in the txp needs to be unmapped as well, otherwise it will
leak DMA mapping entries
Fixes:
27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
{
int i;
- for (i = 1; i < txp->nbuf; i++)
+ for (i = 0; i < txp->nbuf; i++)
dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
}