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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-06 17:17:24 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-06 17:17:24 +0100
commitdd63af108f0814f0b589659f4e55a7a5af3b7e53 (patch)
tree0a7679fecb5b516cddb2153c632a4262899be6c3 /fs/nfsd/nfs4callback.c
parentserial: pxa: hold port.lock when reporting modem line changes (diff)
parentLinux 3.18-rc7 (diff)
downloadlinux-dd63af108f0814f0b589659f4e55a7a5af3b7e53.tar.xz
linux-dd63af108f0814f0b589659f4e55a7a5af3b7e53.zip
Merge 3.18-rc7 into tty-next
This resolves the merge issue with drivers/tty/serial/of_serial.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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;
}