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Subject[PATCH 3.13 20/46] SUNRPC: Fix a pipe_version reference leak
Date
3.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@primarydata.com>

commit e9776d0f4adee8877145672f6416b06b57f2dc27 upstream.

In gss_alloc_msg(), if the call to gss_encode_v1_msg() fails, we
want to release the reference to the pipe_version that was obtained
earlier in the function.

Fixes: 9d3a2260f0f4b (SUNRPC: Fix buffer overflow checking in...)
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
net/sunrpc/auth_gss/auth_gss.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -500,10 +500,12 @@ gss_alloc_msg(struct gss_auth *gss_auth,
default:
err = gss_encode_v1_msg(gss_msg, service_name, gss_auth->target_name);
if (err)
- goto err_free_msg;
+ goto err_put_pipe_version;
};
kref_get(&gss_auth->kref);
return gss_msg;
+err_put_pipe_version:
+ put_pipe_version(gss_auth->net);
err_free_msg:
kfree(gss_msg);
err:



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