swiotlb: fix inversed DMA_ATTR_NO_WARN test

The result was printing the warning only when we were explicitly asked not to. Cc: [email protected] Fixes: 0176adb "swiotlb: refactor coherent buffer allocation" Signed-off-by: Michel Dänzer <[email protected]> Reviewed-by: Christian König <[email protected]>. Signed-off-by: Christoph Hellwig <[email protected]>
chewitt · May 2, 2018 · 892a0be · 892a0be
1 parent 2d618bd
commit 892a0be
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
@@ -737,7 +737,7 @@ swiotlb_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle,
 	swiotlb_tbl_unmap_single(dev, phys_addr, size, DMA_TO_DEVICE,
 			DMA_ATTR_SKIP_CPU_SYNC);
 out_warn:
-	if ((attrs & DMA_ATTR_NO_WARN) && printk_ratelimit()) {
+	if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit()) {
 		dev_warn(dev,
 			"swiotlb: coherent allocation failed, size=%zu\n",
 			size);