diff options
| -rw-r--r-- | drivers/staging/crypto/cryptodev/zc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/crypto/cryptodev/zc.c b/drivers/staging/crypto/cryptodev/zc.c index 809a36d7ce98..29b05018f868 100644 --- a/drivers/staging/crypto/cryptodev/zc.c +++ b/drivers/staging/crypto/cryptodev/zc.c @@ -162,6 +162,10 @@ int get_userbuf(struct csession *ses, } if (src == dst) { /* inplace operation */ + /* When we encrypt for authenc modes we need to write + * more data than the ones we read. */ + if (src_len < dst_len) + src_len = dst_len; rc = __get_userbuf(src, src_len, 1, ses->used_pages, ses->pages, ses->sg, task, mm); if (unlikely(rc)) { |