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path: root/drivers/crypto/talitos.c
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Diffstat (limited to 'drivers/crypto/talitos.c')
-rw-r--r--drivers/crypto/talitos.c4
1 files changed, 4 insertions, 0 deletions
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;