diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2013-02-13 14:27:05 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-02-14 20:24:07 +0100 |
| commit | 4ea545d476d3182056aeb042c439237ed61d261e (patch) | |
| tree | a216861969701e1f48e64d829caf700966088980 /drivers/net/wireless/rt2x00/rt2x00.h | |
| parent | mwifiex: device specific sleep cookie handling for PCIe (diff) | |
| download | linux-4ea545d476d3182056aeb042c439237ed61d261e.tar.xz linux-4ea545d476d3182056aeb042c439237ed61d261e.zip | |
rt2x00: check for dma mappings errors
Check output of dma_map_single functions which nowadays can fail (when
IOMMU is used). On write_beacon callbacks just print error, similar
like padding error is handled by rt2800_write_beacon.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 9a3f31a543ce..086abb403a4f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1169,8 +1169,10 @@ static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev) /** * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes. * @entry: Pointer to &struct queue_entry + * + * Returns -ENOMEM if mapping fail, 0 otherwise. */ -void rt2x00queue_map_txskb(struct queue_entry *entry); +int rt2x00queue_map_txskb(struct queue_entry *entry); /** * rt2x00queue_unmap_skb - Unmap a skb from DMA. |