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-rw-r--r--drivers/crypto/talitos.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index a19b5d0300a9..ceae25112acd 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1124,6 +1124,11 @@ 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) {
+ *ptr = zero_entry;
+ return 1;
+ }
+
to_talitos_ptr_len(ptr, len, is_sec1);
to_talitos_ptr_ext_set(ptr, 0, is_sec1);