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authorDavid S. Miller <davem@davemloft.net>2012-01-04 21:35:43 -0500
committerDavid S. Miller <davem@davemloft.net>2012-01-04 21:35:43 -0500
commit117ff42fd43e92d24c6aa6f3e4f0f1e1edada140 (patch)
treec08e1c0357fde481a16489b77feb8f6073faf538 /drivers/net/wireless/b43
parent1d5783030a14d1b6ee763f63c8136e581f48b365 (diff)
parent805a6af8dba5dfdd35ec35dc52ec0122400b2610 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r--drivers/net/wireless/b43/pio.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index d07b412a32c..3533ab86bd3 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -617,9 +617,19 @@ static bool pio_rx_frame(struct b43_pio_rxqueue *q)
const char *err_msg = NULL;
struct b43_rxhdr_fw4 *rxhdr =
(struct b43_rxhdr_fw4 *)wl->pio_scratchspace;
+ size_t rxhdr_size = sizeof(*rxhdr);
BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(*rxhdr));
- memset(rxhdr, 0, sizeof(*rxhdr));
+ switch (dev->fw.hdr_format) {
+ case B43_FW_HDR_410:
+ case B43_FW_HDR_351:
+ rxhdr_size -= sizeof(rxhdr->format_598) -
+ sizeof(rxhdr->format_351);
+ break;
+ case B43_FW_HDR_598:
+ break;
+ }
+ memset(rxhdr, 0, rxhdr_size);
/* Check if we have data and wait for it to get ready. */
if (q->rev >= 8) {
@@ -657,11 +667,11 @@ data_ready:
/* Get the preamble (RX header) */
if (q->rev >= 8) {
- b43_block_read(dev, rxhdr, sizeof(*rxhdr),
+ b43_block_read(dev, rxhdr, rxhdr_size,
q->mmio_base + B43_PIO8_RXDATA,
sizeof(u32));
} else {
- b43_block_read(dev, rxhdr, sizeof(*rxhdr),
+ b43_block_read(dev, rxhdr, rxhdr_size,
q->mmio_base + B43_PIO_RXDATA,
sizeof(u16));
}