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-rw-r--r--include/crypto/akcipher.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h
index 1d3aa252caba..5764b46bd1ec 100644
--- a/include/crypto/akcipher.h
+++ b/include/crypto/akcipher.h
@@ -174,6 +174,8 @@ static inline struct crypto_akcipher *crypto_akcipher_reqtfm(
* crypto_free_akcipher() - free AKCIPHER tfm handle
*
* @tfm: AKCIPHER tfm handle allocated with crypto_alloc_akcipher()
+ *
+ * If @tfm is a NULL or error pointer, this function does nothing.
*/
static inline void crypto_free_akcipher(struct crypto_akcipher *tfm)
{