diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 3d5566e7af0ad51ea08088c8adaa03f1c2a1e02b..ff0f5ba14b2cfb60223a19455772fddca719951b 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1536,7 +1536,7 @@ static void dma_rx(struct b43_dmaring *ring, int *slot)
 		dmaaddr = meta->dmaaddr;
 		goto drop_recycle_buffer;
 	}
-	if (unlikely(len > ring->rx_buffersize)) {
+	if (unlikely(len + ring->frameoffset > ring->rx_buffersize)) {
 		/* The data did not fit into one descriptor buffer
 		 * and is split over multiple buffers.
 		 * This should never happen, as we try to allocate buffers
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index a01c2100f166455d055fa1717574fbb85dfdd3f6..e8a80a1251bf602ba89c726d8019188914f73c78 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -163,7 +163,7 @@ struct b43_dmadesc_generic {
 /* DMA engine tuning knobs */
 #define B43_TXRING_SLOTS		256
 #define B43_RXRING_SLOTS		64
-#define B43_DMA0_RX_BUFFERSIZE		IEEE80211_MAX_FRAME_LEN
+#define B43_DMA0_RX_BUFFERSIZE		(B43_DMA0_RX_FRAMEOFFSET + IEEE80211_MAX_FRAME_LEN)
 
 /* Pointer poison */
 #define B43_DMA_PTR_POISON		((void *)ERR_PTR(-ENOMEM))