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authorRobert Baronescu <robert.baronescu@nxp.com>2017-10-10 13:21:59 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-16 20:09:38 +0100
commit9ece237e5b9c4a532e06869aa45df7c4c65c07cd (patch)
treed2428f16063fb9eb0716c830cc80757076f5ce5f /crypto
parent076e4ab3279eb3ddb206de44d04df7aeb2428e09 (diff)
crypto: tcrypt - fix S/G table for test_aead_speed()
commit 5c6ac1d4f8fbdbed65dbeb8cf149d736409d16a1 upstream. In case buffer length is a multiple of PAGE_SIZE, the S/G table is incorrectly generated. Fix this by handling buflen = k * PAGE_SIZE separately. Signed-off-by: Robert Baronescu <robert.baronescu@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/tcrypt.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index f522828d45c9..1d92b5d2d6bd 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -291,11 +291,13 @@ static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE],
}
sg_init_table(sg, np + 1);
- np--;
+ if (rem)
+ np--;
for (k = 0; k < np; k++)
sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE);
- sg_set_buf(&sg[k + 1], xbuf[k], rem);
+ if (rem)
+ sg_set_buf(&sg[k + 1], xbuf[k], rem);
}
static void test_aead_speed(const char *algo, int enc, unsigned int secs,