Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / net / 9p / client.c

diff --git a/net/9p/client.c b/net/9p/client.c
index 0a04faa221160da655732e3382083a397d7ce60f..4b529454616d0427020e5b8b30620249e400c268 100644 (file)
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -189,6 +189,9 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
                        printk(KERN_ERR "Couldn't grow tag array\n");
                        kfree(req->tc);
                        kfree(req->rc);
+                       kfree(req->wq);
+                       req->tc = req->rc = NULL;
+                       req->wq = NULL;
                        return ERR_PTR(-ENOMEM);
                }
                req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall);
@@ -311,12 +314,6 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
        r->status = REQ_STATUS_IDLE;
        if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool))
                p9_idpool_put(tag, c->tagpool);
-
-       /* if this was a flush request we have to free response fcall */
-       if (r->rc->id == P9_RFLUSH) {
-               kfree(r->tc);
-               kfree(r->rc);
-       }
 }
 
 /**
@@ -611,19 +608,21 @@ reterr:
 
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 {
-       int err;
+       int ret;
        struct p9_fid *fid;
+       unsigned long flags;
 
        P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt);
        fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
        if (!fid)
                return ERR_PTR(-ENOMEM);
 
-       fid->fid = p9_idpool_get(clnt->fidpool);
+       ret = p9_idpool_get(clnt->fidpool);
        if (fid->fid < 0) {
-               err = -ENOSPC;
+               ret = -ENOSPC;
                goto error;
        }
+       fid->fid = ret;
 
        memset(&fid->qid, 0, sizeof(struct p9_qid));
        fid->mode = -1;
@@ -632,27 +631,28 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
        fid->clnt = clnt;
        fid->aux = NULL;
 
-       spin_lock(&clnt->lock);
+       spin_lock_irqsave(&clnt->lock, flags);
        list_add(&fid->flist, &clnt->fidlist);
-       spin_unlock(&clnt->lock);
+       spin_unlock_irqrestore(&clnt->lock, flags);
 
        return fid;
 
 error:
        kfree(fid);
-       return ERR_PTR(err);
+       return ERR_PTR(ret);
 }
 
 static void p9_fid_destroy(struct p9_fid *fid)
 {
        struct p9_client *clnt;
+       unsigned long flags;
 
        P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid);
        clnt = fid->clnt;
        p9_idpool_put(fid->fid, clnt->fidpool);
-       spin_lock(&clnt->lock);
+       spin_lock_irqsave(&clnt->lock, flags);
        list_del(&fid->flist);
-       spin_unlock(&clnt->lock);
+       spin_unlock_irqrestore(&clnt->lock, flags);
        kfree(fid);
 }