The patch below does not apply to the 3.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 9edbd953f8aeabf49b89c7c29ff9e31560775b27 Mon Sep 17 00:00:00 2001 From: Weston Andros Adamson <[email protected]> Date: Fri, 17 Feb 2012 15:20:25 -0500 Subject: [PATCH] NFSv4: fix server_scope memory leak server_scope would never be freed if nfs4_check_cl_exchange_flags() returned non-zero Signed-off-by: Weston Andros Adamson <[email protected]> Cc: [email protected] Signed-off-by: Trond Myklebust <[email protected]> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 87c584d..20c3bb0 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4945,8 +4945,10 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) clp->cl_rpcclient->cl_auth->au_flavor); res.server_scope = kzalloc(sizeof(struct server_scope), GFP_KERNEL); - if (unlikely(!res.server_scope)) - return -ENOMEM; + if (unlikely(!res.server_scope)) { + status = -ENOMEM; + goto out; + } status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (!status) @@ -4963,12 +4965,13 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) clp->server_scope = NULL; } - if (!clp->server_scope) + if (!clp->server_scope) { clp->server_scope = res.server_scope; - else - kfree(res.server_scope); + goto out; + } } - + kfree(res.server_scope); +out: dprintk("<-- %s status= %d\n", __func__, status); return status; } -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
