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authorKinglong Mee <kinglongmee@gmail.com>2014-03-24 11:07:22 +0800
committerJ. Bruce Fields <bfields@redhat.com>2014-03-28 21:23:39 -0400
commit315f3812dbd92c7c8f26a8dbba183266ec219795 (patch)
tree883153bcf809468e042f1df53e09511e930cee9d
parent3cbe01a94c7b369f943f8a9d40394198d757cdd4 (diff)
SUNRPC: fix memory leak of peer addresses in XPRT
Creating xprt failed after xs_format_peer_addresses, sunrpc must free those memory of peer addresses in xprt. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--net/sunrpc/xprtsock.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 817a1e52396..4b921a92699 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -905,6 +905,12 @@ static void xs_tcp_close(struct rpc_xprt *xprt)
xs_tcp_shutdown(xprt);
}
+static void xs_xprt_free(struct rpc_xprt *xprt)
+{
+ xs_free_peer_addresses(xprt);
+ xprt_free(xprt);
+}
+
/**
* xs_destroy - prepare to shutdown a transport
* @xprt: doomed transport
@@ -915,8 +921,7 @@ static void xs_destroy(struct rpc_xprt *xprt)
dprintk("RPC: xs_destroy xprt %p\n", xprt);
xs_close(xprt);
- xs_free_peer_addresses(xprt);
- xprt_free(xprt);
+ xs_xprt_free(xprt);
module_put(THIS_MODULE);
}
@@ -2740,7 +2745,7 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
return xprt;
ret = ERR_PTR(-EINVAL);
out_err:
- xprt_free(xprt);
+ xs_xprt_free(xprt);
return ret;
}
@@ -2818,7 +2823,7 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
return xprt;
ret = ERR_PTR(-EINVAL);
out_err:
- xprt_free(xprt);
+ xs_xprt_free(xprt);
return ret;
}
@@ -2893,12 +2898,11 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
xprt->address_strings[RPC_DISPLAY_ADDR],
xprt->address_strings[RPC_DISPLAY_PROTO]);
-
if (try_module_get(THIS_MODULE))
return xprt;
ret = ERR_PTR(-EINVAL);
out_err:
- xprt_free(xprt);
+ xs_xprt_free(xprt);
return ret;
}
@@ -2981,13 +2985,12 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
*/
xprt_set_connected(xprt);
-
if (try_module_get(THIS_MODULE))
return xprt;
xprt_put(xprt);
ret = ERR_PTR(-EINVAL);
out_err:
- xprt_free(xprt);
+ xs_xprt_free(xprt);
return ret;
}