Merge tag 'powerpc-4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[linux-2.6-microblaze.git] / drivers / crypto / talitos.c

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 9c80e0c..6882fa2 100644 (file)
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1138,6 +1138,10 @@ static int talitos_sg_map(struct device *dev, struct scatterlist *src,
        struct talitos_private *priv = dev_get_drvdata(dev);
        bool is_sec1 = has_ftr_sec1(priv);
 
+       if (!src) {
+               to_talitos_ptr(ptr, 0, 0, is_sec1);
+               return 1;
+       }
        if (sg_count == 1) {
                to_talitos_ptr(ptr, sg_dma_address(src) + offset, len, is_sec1);
                return sg_count;