diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2023-01-08 11:28:49 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-02-20 09:20:24 -0500 |
| commit | d91f0323a0638688c96988a9daf3e5f6bfb4f5ed (patch) | |
| tree | 24e0f87fc88f7aa20e6ad6358ddca74d2134ea7e /net | |
| parent | 15d8f80891bb4646ff213a9eae89732976396057 (diff) | |
SUNRPC: Replace checksum construction in svcauth_gss_wrap_integ()
Replace finicky logic: Instead of trying to find scratch space in
the response buffer, use the scratch buffer from struct
gss_svc_data.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 8c4a44261919..4241f4793e5a 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1797,15 +1797,8 @@ static int svcauth_gss_wrap_integ(struct svc_rqst *rqstp) *p++ = htonl(gc->gc_seq); if (xdr_buf_subsegment(buf, &databody_integ, offset, len)) goto wrap_failed; - if (!buf->tail[0].iov_base) { - if (buf->head[0].iov_len + RPC_MAX_AUTH_SIZE > PAGE_SIZE) - goto wrap_failed; - buf->tail[0].iov_base = buf->head[0].iov_base - + buf->head[0].iov_len; - buf->tail[0].iov_len = 0; - } - resv = &buf->tail[0]; - checksum.data = (u8 *)resv->iov_base + resv->iov_len + 4; + + checksum.data = gsd->gsd_scratch; maj_stat = gss_get_mic(gsd->rsci->mechctx, &databody_integ, &checksum); if (maj_stat != GSS_S_COMPLETE) goto bad_mic; |