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authorTrond Myklebust <trondmy@gmail.com>2019-10-17 16:02:21 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-10-30 19:04:35 +0300
commit669996add4c92476e0f8d6b4cd2bb308d1939fd7 (patch)
tree852233b875cc79b84abc36c64ee0c7e262831d28 /net/sunrpc/xprt.c
parent9edb455e6797bb50aa38ef71e62668966065ede8 (diff)
downloadlinux-669996add4c92476e0f8d6b4cd2bb308d1939fd7.tar.xz
SUNRPC: Destroy the back channel when we destroy the host transport
When we're destroying the host transport mechanism, we should ensure that we do not leak memory by failing to release any back channel slots that might still exist. Reported-by: Neil Brown <neilb@suse.de> Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 8a45b3ccc313..41df4c507193 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1943,6 +1943,11 @@ static void xprt_destroy_cb(struct work_struct *work)
rpc_destroy_wait_queue(&xprt->backlog);
kfree(xprt->servername);
/*
+ * Destroy any existing back channel
+ */
+ xprt_destroy_backchannel(xprt, UINT_MAX);
+
+ /*
* Tear down transport state and free the rpc_xprt
*/
xprt->ops->destroy(xprt);