summaryrefslogtreecommitdiff
path: root/net/sunrpc/auth_gss/svcauth_gss.c
diff options
context:
space:
mode:
authorChuck Lever <chuck.lever@oracle.com>2023-01-08 11:28:49 -0500
committerChuck Lever <chuck.lever@oracle.com>2023-02-20 09:20:24 -0500
commitd91f0323a0638688c96988a9daf3e5f6bfb4f5ed (patch)
tree24e0f87fc88f7aa20e6ad6358ddca74d2134ea7e /net/sunrpc/auth_gss/svcauth_gss.c
parent15d8f80891bb4646ff213a9eae89732976396057 (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/sunrpc/auth_gss/svcauth_gss.c')
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c11
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;