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| author | Robert Baronescu <robert.baronescu@nxp.com> | 2017-10-10 13:21:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-13 12:36:02 +0100 |
| commit | 7c17a1e5852a0c1c67a2ac65569270619fe1d576 (patch) | |
| tree | 83f91483025ffaa088e7f084ba92f9fa49e6bc7e /crypto/tcrypt.c | |
| parent | fc00dde96099a1a331a683a87b23ccb4626d816a (diff) | |
| download | linux-stable-7c17a1e5852a0c1c67a2ac65569270619fe1d576.tar.gz linux-stable-7c17a1e5852a0c1c67a2ac65569270619fe1d576.tar.bz2 linux-stable-7c17a1e5852a0c1c67a2ac65569270619fe1d576.zip | |
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/tcrypt.c')
| -rw-r--r-- | crypto/tcrypt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index e3af318af2db..2a07341aca46 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -223,11 +223,13 @@ 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, |