1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 189b2ec1bac7..c69b70e0a721 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -842,6 +842,9 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
 #endif
 
         if (for_tx) {
+                /* Assumption: B43_TXRING_SLOTS can be divided by TX_SLOTS_PER_FRAME */
+                BUILD_BUG_ON(B43_TXRING_SLOTS % TX_SLOTS_PER_FRAME != 0);
+
                 ring->txhdr_cache = kcalloc(ring->nr_slots / TX_SLOTS_PER_FRAME,
                                             b43_txhdr_size(dev),
                                             GFP_KERNEL);