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authorTakashi Iwai <tiwai@suse.de>2014-12-03 09:38:03 +0100
committerTakashi Iwai <tiwai@suse.de>2014-12-03 09:38:58 +0100
commit2e3d4de1bd80b2f205aab0ed0a25daef464ab91c (patch)
tree7caa6a353f9ff9f5e196ed01bbbfce1c8c5ec8ae /fs/nfsd/nfs4callback.c
parent492a7ea0a6d3cc9c16ad5f8af832ed4278225b2e (diff)
parent009d0431c3914de64666bec0d350e54fdd59df6a (diff)
Merge tag 'v3.18-rc7' into for-next
... for allowing more cleanups of hda_intel.c driver-caps where both upstream and for-next contain the changes.
Diffstat (limited to 'fs/nfsd/nfs4callback.c')
-rw-r--r--fs/nfsd/nfs4callback.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index ed2b1151b171..7cbdf1b2e4ab 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -774,8 +774,12 @@ static bool nfsd41_cb_get_slot(struct nfs4_client *clp, struct rpc_task *task)
{
if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
rpc_sleep_on(&clp->cl_cb_waitq, task, NULL);
- dprintk("%s slot is busy\n", __func__);
- return false;
+ /* Race breaker */
+ if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
+ dprintk("%s slot is busy\n", __func__);
+ return false;
+ }
+ rpc_wake_up_queued_task(&clp->cl_cb_waitq, task);
}
return true;
}