Re: [PATCH] NFS: put net in case of idr allocation failure

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20.08.2012 20:11, Myklebust, Trond пишет:
On Mon, 2012-08-20 at 17:43 +0400, Stanislav Kinsbursky wrote:
Put net reference we got in nfs_alloc_client() on error path.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx>
---
  fs/nfs/nfs4client.c |    1 +
  1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index cbcdfaf..b895629 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -74,6 +74,7 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
  	return clp;

  error:
+	put_net(clp->cl_net);
  	kfree(clp);
  	return ERR_PTR(err);
  }


No, that isn't anywhere near sufficient.

The correct thing to do here is to replace the kfree with a call to
nfs_free_client(), which will also clean up the allocation of
cl_hostname, put the module, etc.


Sure, you are right.

--
Best regards,
Stanislav Kinsbursky
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