提交 5635fd0c 编写于 作者: D Dan Carpenter 提交者: Eric Van Hensbergen

9p: move dereference after NULL check

We dereferenced "req->tc" and "req->rc" before checking for NULL.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
上级 464f5ecf
......@@ -248,10 +248,8 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag, int max_size)
init_waitqueue_head(req->wq);
req->tc = kmalloc(sizeof(struct p9_fcall) + alloc_msize,
GFP_NOFS);
req->tc->capacity = alloc_msize;
req->rc = kmalloc(sizeof(struct p9_fcall) + alloc_msize,
GFP_NOFS);
req->rc->capacity = alloc_msize;
if ((!req->tc) || (!req->rc)) {
printk(KERN_ERR "Couldn't grow tag array\n");
kfree(req->tc);
......@@ -261,6 +259,8 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag, int max_size)
req->wq = NULL;
return ERR_PTR(-ENOMEM);
}
req->tc->capacity = alloc_msize;
req->rc->capacity = alloc_msize;
req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall);
req->rc->sdata = (char *) req->rc + sizeof(struct p9_fcall);
}
......
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