1 files changed, 3 insertions, 0 deletions

diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index ec24378caaaf..09d9caaec591 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -53,6 +53,9 @@ int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
                 __aligned(__alignof__(struct aead_request));
         struct aead_request *aead_req = (void *) aead_req_data;
 
+        if (data_len == 0)
+                return -EINVAL;
+
         memset(aead_req, 0, sizeof(aead_req_data));
 
         sg_init_one(&pt, data, data_len);