Commit 3a570cfe authored Oct 10, 2017 by Robert Baronescu Committed by Greg Kroah-Hartman Feb 13, 2018

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>

parent 68a9f192

crypto/tcrypt.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -221,10 +221,12 @@ static void sg_init_aead(struct scatterlist sg, char xbuf[XBUFSIZE],
		}

		sg_init_table(sg, np + 1);
		if (rem)
		np--;
		for (k = 0; k < np; k++)
		sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE);

		if (rem)
		sg_set_buf(&sg[k + 1], xbuf[k], rem);
		}