diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/verbs.c')
-rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 2e4fc1e46947..d4880d50d7be 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -413,13 +413,16 @@ out: * Exported functions. */ -/* - * Open and initialize an Interface Adapter. - * o initializes fields of struct rpcrdma_ia, including - * interface and provider attributes and protection zone. +/** + * rpcrdma_ia_open - Open and initialize an Interface Adapter. + * @xprt: controlling transport + * @addr: IP address of remote peer + * + * Returns 0 on success, negative errno if an appropriate + * Interface Adapter could not be found and opened. */ int -rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) +rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr) { struct rpcrdma_ia *ia = &xprt->rx_ia; int rc; @@ -427,7 +430,7 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) ia->ri_id = rpcrdma_create_id(xprt, ia, addr); if (IS_ERR(ia->ri_id)) { rc = PTR_ERR(ia->ri_id); - goto out1; + goto out_err; } ia->ri_device = ia->ri_id->device; @@ -435,10 +438,10 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) if (IS_ERR(ia->ri_pd)) { rc = PTR_ERR(ia->ri_pd); pr_err("rpcrdma: ib_alloc_pd() returned %d\n", rc); - goto out2; + goto out_err; } - switch (memreg) { + switch (xprt_rdma_memreg_strategy) { case RPCRDMA_FRMR: if (frwr_is_supported(ia)) { ia->ri_ops = &rpcrdma_frwr_memreg_ops; @@ -452,28 +455,23 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) } /*FALLTHROUGH*/ default: - pr_err("rpcrdma: Unsupported memory registration mode: %d\n", - memreg); + pr_err("rpcrdma: Device %s does not support memreg mode %d\n", + ia->ri_device->name, xprt_rdma_memreg_strategy); rc = -EINVAL; - goto out3; + goto out_err; } return 0; -out3: - ib_dealloc_pd(ia->ri_pd); - ia->ri_pd = NULL; -out2: - rpcrdma_destroy_id(ia->ri_id); - ia->ri_id = NULL; -out1: +out_err: + rpcrdma_ia_close(ia); return rc; } -/* - * Clean up/close an IA. - * o if event handles and PD have been initialized, free them. - * o close the IA +/** + * rpcrdma_ia_close - Clean up/close an IA. + * @ia: interface adapter to close + * */ void rpcrdma_ia_close(struct rpcrdma_ia *ia) @@ -483,12 +481,14 @@ rpcrdma_ia_close(struct rpcrdma_ia *ia) if (ia->ri_id->qp) rdma_destroy_qp(ia->ri_id); rpcrdma_destroy_id(ia->ri_id); - ia->ri_id = NULL; } + ia->ri_id = NULL; + ia->ri_device = NULL; /* If the pd is still busy, xprtrdma missed freeing a resource */ if (ia->ri_pd && !IS_ERR(ia->ri_pd)) ib_dealloc_pd(ia->ri_pd); + ia->ri_pd = NULL; } /* |