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authorStanislaw Gruszka <sgruszka@redhat.com>2013-02-13 14:27:05 +0100
committerJohn W. Linville <linville@tuxdriver.com>2013-02-14 14:24:07 -0500
commit4ea545d476d3182056aeb042c439237ed61d261e (patch)
treea216861969701e1f48e64d829caf700966088980 /drivers/net/wireless/rt2x00/rt2x00.h
parent52301a815e81cdcbcf971ba28df0376dc7f3961c (diff)
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.h4
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.