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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-01-24 11:54:53 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-24 12:31:06 -0800
commitbde8f00ce64d9824a4f227c8594e335a1a10d044 (patch)
tree5402180d3aef332c54e7b608f5bb3f94675ffadf /net
parent5394cd218735bf462e72bb827fbb7e47fc15f2f0 (diff)
[PATCH] NFS: Fix Oops in rpc_call_sync()
Fix the Oops in http://bugzilla.linux-nfs.org/show_bug.cgi?id=138 We shouldn't be calling rpc_release_task() for tasks that are not active. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/clnt.c8
-rw-r--r--net/sunrpc/sched.c3
2 files changed, 5 insertions, 6 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index aba528b9ae7..16c9fbc1db6 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -490,16 +490,14 @@ int rpc_call_sync(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
/* Set up the call info struct and execute the task */
status = task->tk_status;
- if (status != 0) {
- rpc_release_task(task);
+ if (status != 0)
goto out;
- }
atomic_inc(&task->tk_count);
status = rpc_execute(task);
if (status == 0)
status = task->tk_status;
- rpc_put_task(task);
out:
+ rpc_put_task(task);
rpc_restore_sigmask(&oldset);
return status;
}
@@ -537,7 +535,7 @@ rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg, int flags,
if (status == 0)
rpc_execute(task);
else
- rpc_release_task(task);
+ rpc_put_task(task);
rpc_restore_sigmask(&oldset);
return status;
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 79bc4cdf5d4..fc083f0b354 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -42,6 +42,7 @@ static mempool_t *rpc_buffer_mempool __read_mostly;
static void __rpc_default_timer(struct rpc_task *task);
static void rpciod_killall(void);
static void rpc_async_schedule(struct work_struct *);
+static void rpc_release_task(struct rpc_task *task);
/*
* RPC tasks sit here while waiting for conditions to improve.
@@ -896,7 +897,7 @@ void rpc_put_task(struct rpc_task *task)
}
EXPORT_SYMBOL(rpc_put_task);
-void rpc_release_task(struct rpc_task *task)
+static void rpc_release_task(struct rpc_task *task)
{
#ifdef RPC_DEBUG
BUG_ON(task->tk_magic != RPC_TASK_MAGIC_ID);