Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a995e9eb3258df6ab2e9f958e08003978e50d568
Commit: a995e9eb3258df6ab2e9f958e08003978e50d568
Parent: ce35a81a71f405031ed6fd0d454d3aaa55dc8ed2
Author: Trond Myklebust <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 2 15:37:43 2007 -0800
Committer: Trond Myklebust <[EMAIL PROTECTED]>
CommitDate: Sat Feb 3 15:35:02 2007 -0800
NLM: Fix double free in __nlm_async_call
rpc_call_async() will always call rpc_release_calldata(), so it is an
error for __nlm_async_call() to do so as well.
Signed-off-by: Trond Myklebust <[EMAIL PROTECTED]>
---
fs/lockd/clntproc.c | 9 +++------
fs/lockd/svclock.c | 4 +---
2 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 0b4acc1..a5c019e 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -361,7 +361,6 @@ static int __nlm_async_call(struct nlm_rqst *req, u32 proc,
struct rpc_message *
{
struct nlm_host *host = req->a_host;
struct rpc_clnt *clnt;
- int status = -ENOLCK;
dprintk("lockd: call procedure %d on %s (async)\n",
(int)proc, host->h_name);
@@ -373,12 +372,10 @@ static int __nlm_async_call(struct nlm_rqst *req, u32
proc, struct rpc_message *
msg->rpc_proc = &clnt->cl_procinfo[proc];
/* bootstrap and kick off the async RPC call */
- status = rpc_call_async(clnt, msg, RPC_TASK_ASYNC, tk_ops, req);
- if (status == 0)
- return 0;
+ return rpc_call_async(clnt, msg, RPC_TASK_ASYNC, tk_ops, req);
out_err:
- nlm_release_call(req);
- return status;
+ tk_ops->rpc_release(req);
+ return -ENOLCK;
}
int nlm_async_call(struct nlm_rqst *req, u32 proc, const struct rpc_call_ops
*tk_ops)
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index c7db0a5..cf51f84 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -593,9 +593,7 @@ callback:
/* Call the client */
kref_get(&block->b_count);
- if (nlm_async_call(block->b_call, NLMPROC_GRANTED_MSG,
- &nlmsvc_grant_ops) < 0)
- nlmsvc_release_block(block);
+ nlm_async_call(block->b_call, NLMPROC_GRANTED_MSG, &nlmsvc_grant_ops);
}
/*
-
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