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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>
This commit is contained in:
Tejun Heo 2008-09-24 16:22:23 -05:00 committed by Eric Van Hensbergen
parent 7dc5d24be0
commit 571ffeafff
1 changed files with 4 additions and 16 deletions
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20
net/9p/trans_fd.c
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@ -407,11 +407,11 @@ static void p9_mux_poll_stop(struct p9_conn *m)
static struct p9_conn *p9_conn_create(struct p9_trans *trans)
{
int i, n;
struct p9_conn *m, *mtmp;
struct p9_conn *m;
P9_DPRINTK(P9_DEBUG_MUX, "transport %p msize %d\n", trans,
trans->msize);
m = kmalloc(sizeof(struct p9_conn), GFP_KERNEL);
m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
if (!m)
return ERR_PTR(-ENOMEM);
@ -422,24 +422,14 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
m->trans = trans;
m->tagpool = p9_idpool_create();
if (IS_ERR(m->tagpool)) {
mtmp = ERR_PTR(-ENOMEM);
kfree(m);
return mtmp;
return ERR_PTR(-ENOMEM);
}
m->err = 0;
INIT_LIST_HEAD(&m->req_list);
INIT_LIST_HEAD(&m->unsent_req_list);
m->rcall = NULL;
m->rpos = 0;
m->rbuf = NULL;
m->wpos = m->wsize = 0;
m->wbuf = NULL;
INIT_WORK(&m->rq, p9_read_work);
INIT_WORK(&m->wq, p9_write_work);
m->wsched = 0;
memset(&m->poll_waddr, 0, sizeof(m->poll_waddr));
m->poll_task = NULL;
n = p9_mux_poll_start(m);
if (n) {
kfree(m);
@ -460,10 +450,8 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
for (i = 0; i < ARRAY_SIZE(m->poll_waddr); i++) {
if (IS_ERR(m->poll_waddr[i])) {
p9_mux_poll_stop(m);
mtmp = (void *)m->poll_waddr; /* the error code */
kfree(m);
m = mtmp;
break;
return (void *)m->poll_waddr; /* the error code */
}
}