mm: cma: fix condition check when setting global cma area

dev_set_cma_area incorrectly assigned cma to global area on first call
due to incorrect check. This patch fixes this issue.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

diff --git a/include/asm-generic/dma-contiguous.h b/include/asm-generic/dma-contiguous.h
index c544356..294b1e7 100644 (file)
--- a/include/asm-generic/dma-contiguous.h
+++ b/include/asm-generic/dma-contiguous.h
@@ -18,7 +18,7 @@ static inline void dev_set_cma_area(struct device *dev, struct cma *cma)
 {
        if (dev)
                dev->cma_area = cma;
-       if (!dev || !dma_contiguous_default_area)
+       if (!dev && !dma_contiguous_default_area)
                dma_contiguous_default_area = cma;
 }