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Subject[PATCH] ioat: Use time_before()
Date
To be future-proof and for better readability the time comparisons are modified
to use time_before() instead of plain, error-prone math.

Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
---
drivers/dma/ioat/dma_v2.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 8d10580..fdd60c7 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -735,7 +735,8 @@ int ioat2_check_space_lock(struct ioat2_dma_chan *ioat, int num_descs)
* called under bh_disabled so we need to trigger the timer
* event directly
*/
- if (jiffies > chan->timer.expires && timer_pending(&chan->timer)) {
+ if (time_before(chan->timer.expires, jiffies)
+ && timer_pending(&chan->timer)) {
struct ioatdma_device *device = chan->device;

mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
--
1.7.10.4
--
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