From: Tadeusz Struk <tadeusz.struk@intel.com>
Date: Fri, 14 Aug 2015 14:24:23 +0000 (-0700)
Subject: crypto: qat - Don't move data inside output buffer
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c1ae632ad2608d0214291a64ca719f900ffef14b;p=linux-beck.git

crypto: qat - Don't move data inside output buffer

Change memcpy to memmove because the copy is done within the same buffer.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c
index fe352a6a1630..e87f51023ba4 100644
--- a/drivers/crypto/qat/qat_common/qat_asym_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c
@@ -145,7 +145,7 @@ static void qat_rsa_cb(struct icp_qat_fw_pke_resp *resp)
 	}
 
 	if (areq->dst_len != req->ctx->key_sz)
-		memcpy(areq->dst, ptr, areq->dst_len);
+		memmove(areq->dst, ptr, areq->dst_len);
 
 	akcipher_request_complete(areq, err);
 }