ioat: fix infinite timeout checking in ioat2_quiesce

Fix typo in ioat2_quiesce. check 'tmo' is zero, not 'end'.  Also applies
to 2.6.32.3

Cc: <stable@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 5f7a500e18d02636f1b94650202f6b2614323bb7..5cc37afe2bc14b829156b76c5d3c142960517886 100644 (file)
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -249,7 +249,7 @@ int ioat2_quiesce(struct ioat_chan_common *chan, unsigned long tmo)
        if (is_ioat_active(status) || is_ioat_idle(status))
                ioat_suspend(chan);
        while (is_ioat_active(status) || is_ioat_idle(status)) {
-               if (end && time_after(jiffies, end)) {
+               if (tmo && time_after(jiffies, end)) {
                        err = -ETIMEDOUT;
                        break;
                }