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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>
wifi-calibration
Kinglong Mee 2014-03-24 11:07:22 +08:00 committed by J. Bruce Fields
parent 3cbe01a94c
commit 315f3812db
1 changed files with 11 additions and 8 deletions
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19
net/sunrpc/xprtsock.c
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@ -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;
}