diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index d876c6d87591..8d3e95e0dcfe 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1193,6 +1193,11 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)); rt2x00_desc_write(txd, 10, word); + /* + * Writing TXD word 0 must the last to prevent a race condition with + * the device, whereby the device may take hold of the TXD before we + * finished updating it. + */ rt2x00_desc_read(txd, 0, &word); rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); rt2x00_set_field32(&word, TXD_W0_VALID, 1); |