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9p-trans_fd: clean up p9_conn_create()
* Use kzalloc() to allocate p9_conn and remove 0/NULL initializations. * Clean up error return paths. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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@ -407,11 +407,11 @@ static void p9_mux_poll_stop(struct p9_conn *m)
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static struct p9_conn *p9_conn_create(struct p9_trans *trans)
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{
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int i, n;
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struct p9_conn *m, *mtmp;
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struct p9_conn *m;
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P9_DPRINTK(P9_DEBUG_MUX, "transport %p msize %d\n", trans,
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trans->msize);
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m = kmalloc(sizeof(struct p9_conn), GFP_KERNEL);
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m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
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if (!m)
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return ERR_PTR(-ENOMEM);
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@ -422,24 +422,14 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
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m->trans = trans;
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m->tagpool = p9_idpool_create();
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if (IS_ERR(m->tagpool)) {
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mtmp = ERR_PTR(-ENOMEM);
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kfree(m);
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return mtmp;
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return ERR_PTR(-ENOMEM);
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}
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m->err = 0;
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INIT_LIST_HEAD(&m->req_list);
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INIT_LIST_HEAD(&m->unsent_req_list);
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m->rcall = NULL;
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m->rpos = 0;
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m->rbuf = NULL;
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m->wpos = m->wsize = 0;
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m->wbuf = NULL;
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INIT_WORK(&m->rq, p9_read_work);
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INIT_WORK(&m->wq, p9_write_work);
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m->wsched = 0;
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memset(&m->poll_waddr, 0, sizeof(m->poll_waddr));
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m->poll_task = NULL;
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n = p9_mux_poll_start(m);
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if (n) {
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kfree(m);
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@ -460,10 +450,8 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
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for (i = 0; i < ARRAY_SIZE(m->poll_waddr); i++) {
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if (IS_ERR(m->poll_waddr[i])) {
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p9_mux_poll_stop(m);
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mtmp = (void *)m->poll_waddr; /* the error code */
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kfree(m);
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m = mtmp;
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break;
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return (void *)m->poll_waddr; /* the error code */
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}
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}
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