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authorDavid Howells <dhowells@redhat.com>2025-02-18 19:22:44 +0000
committerJakub Kicinski <kuba@kernel.org>2025-02-21 15:06:29 -0800
commitc34d999ca3145d9fe858258cc3342ec493f47d2e (patch)
tree5089c26016df0ad9fe4477fc69d15f89232b12a4 /net/rxrpc/rxperf.c
parentf06e4bfd010faefa637689d2df2c727dbf6e1d27 (diff)
rxrpc: rxperf: Fix missing decoding of terminal magic cookie
The rxperf RPCs seem to have a magic cookie at the end of the request that was failing to be taken account of by the unmarshalling of the request. Fix the rxperf code to expect this. Fixes: 75bfdbf2fca3 ("rxrpc: Implement an in-kernel rxperf server for testing purposes") Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: Simon Horman <horms@kernel.org> cc: linux-afs@lists.infradead.org Link: https://patch.msgid.link/20250218192250.296870-2-dhowells@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/rxrpc/rxperf.c')
-rw-r--r--net/rxrpc/rxperf.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/rxrpc/rxperf.c b/net/rxrpc/rxperf.c
index 7ef93407be83..e848a4777b8c 100644
--- a/net/rxrpc/rxperf.c
+++ b/net/rxrpc/rxperf.c
@@ -478,6 +478,18 @@ static int rxperf_deliver_request(struct rxperf_call *call)
call->unmarshal++;
fallthrough;
case 2:
+ ret = rxperf_extract_data(call, true);
+ if (ret < 0)
+ return ret;
+
+ /* Deal with the terminal magic cookie. */
+ call->iov_len = 4;
+ call->kvec[0].iov_len = call->iov_len;
+ call->kvec[0].iov_base = call->tmp;
+ iov_iter_kvec(&call->iter, READ, call->kvec, 1, call->iov_len);
+ call->unmarshal++;
+ fallthrough;
+ case 3:
ret = rxperf_extract_data(call, false);
if (ret < 0)
return ret;