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>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-generic/dma-contiguous.h b/include/asm-generic/dma-contiguous.h
index c544356b374b..294b1e755ab2 100644
--- 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;
 }