X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fcrypto%2Ftalitos.c;h=6882fa2f8badd171ce5b843a05a878a8af0bc46e;hb=ee78ad7848a72195e3683f9fdcc81f0b002fb2ed;hp=9c80e0cb16647035fbfeea22ea1b3c9e6bf0a1b1;hpb=6304672b7f0a5c010002e63a075160856dc4f88d;p=linux-2.6-microblaze.git

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 9c80e0cb1664..6882fa2f8bad 100644
--- 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;