On 01/07/2014 01:01 PM, Trond Myklebust wrote: > > On Jan 6, 2014, at 23:41, Kinglong Mee <kinglongmee@xxxxxxxxx> wrote: > >> If try_module_get failed, xpt_bc_xprt should be set to NULL, >> because xprt will be free. >> >> Don't needed using xprt_put to free xprt, because it is always new. >> >> Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx> >> --- >> net/sunrpc/xprtsock.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c >> index 4fcdf74..5ed124f 100644 >> --- a/net/sunrpc/xprtsock.c >> +++ b/net/sunrpc/xprtsock.c >> @@ -2986,10 +2986,10 @@ 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); >> + >> + args->bc_xprt->xpt_bc_xprt = NULL; >> ret = ERR_PTR(-EINVAL); >> out_err: >> xs_xprt_free(xprt); > > > Just move the 'args->bc_xprt->xpt_bc_xprt = xprt’ line into the caller > (see earlier discussion about xs_setup_bc_tcp()). > Quite frankly, I don’t see why the client code should be modifying this variable in the first place. > An svc_xprt is a server construct. That's really better. I will check those codes for NFSv4.1 backchannel in sunrpc, maybe I will cleanup the client code from svc_xprt. thanks, Kinglong Mee -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
