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-rw-r--r--crypto/algif_aead.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 805f485ddf1b..c8a32bef208a 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -111,6 +111,12 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
size_t usedpages = 0; /* [in] RX bufs to be used from user */
size_t processed = 0; /* [in] TX bufs to be consumed */
+ if (!ctx->used) {
+ err = af_alg_wait_for_data(sk, flags);
+ if (err)
+ return err;
+ }
+
/*
* Data length provided by caller via sendmsg/sendpage that has not
* yet been processed.