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| author | Simon Derr <simon.derr@bull.net> | 2013-06-21 15:32:40 +0200 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2013-07-07 22:02:29 -0500 |
| commit | b530e252e291c27fdcb1b73c72ad17f75c8bdba6 (patch) | |
| tree | 0f9c42053871a3b5036d6cc39b7c3847ac539288 | |
| parent | fd453d0ed6c1dacef8eff466df473d62d63db1e9 (diff) | |
| download | linux-b530e252e291c27fdcb1b73c72ad17f75c8bdba6.tar.bz2 | |
9P/RDMA: Do not free req->rc in error handling in rdma_request()
rdma_request() should never be in charge of freeing rc.
When an error occurs:
* Either the rc buffer has been recv_post()'ed.
then kfree()'ing it certainly is a bad idea.
* Or is has not, and in that case req->rc still points to it,
hence it needs not be freed.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| -rw-r--r-- | net/9p/trans_rdma.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index ad8dc331574b..1bd4c7150114 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -447,7 +447,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req) err = post_recv(client, rpl_context); if (err) { p9_debug(P9_DEBUG_FCALL, "POST RECV failed\n"); - goto err_free1; + goto err_free; } /* remove posted receive buffer from request structure */ @@ -457,7 +457,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req) c = kmalloc(sizeof *c, GFP_NOFS); if (!c) { err = -ENOMEM; - goto err_free1; + goto err_free; } c->req = req; @@ -486,13 +486,10 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req) error: kfree(c); - kfree(rpl_context->rc); kfree(rpl_context); p9_debug(P9_DEBUG_ERROR, "EIO\n"); return -EIO; - err_free1: - kfree(rpl_context->rc); - err_free2: + err_free: kfree(rpl_context); err_close: spin_lock_irqsave(&rdma->req_lock, flags); |