From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 15 Dec 2017 14:35:21 +0100
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written !…
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/rapidio/devices/tsi721_dma.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c
index 14fc36ac3d85..006ea5a45020 100644
--- a/drivers/rapidio/devices/tsi721_dma.c
+++ b/drivers/rapidio/devices/tsi721_dma.c
@@ -222,7 +222,7 @@ static int tsi721_bdma_ch_free(struct tsi721_bdma_chan *bdma_chan)
struct tsi721_device *priv = to_tsi721(bdma_chan->dchan.device);
#endif
- if (bdma_chan->bd_base == NULL)
+ if (!bdma_chan->bd_base)
return 0;
/* Check if DMA channel still running */
@@ -346,7 +346,7 @@ tsi721_desc_fill_init(struct tsi721_tx_desc *desc,
{
u64 rio_addr;
- if (bd_ptr == NULL)
+ if (!bd_ptr)
return -EINVAL;
/* Initialize DMA descriptor */
@@ -370,7 +370,7 @@ tsi721_desc_fill_init(struct tsi721_tx_desc *desc,
static int
tsi721_desc_fill_end(struct tsi721_dma_desc *bd_ptr, u32 bcount, bool interrupt)
{
- if (bd_ptr == NULL)
+ if (!bd_ptr)
return -EINVAL;
/* Update DMA descriptor */
@@ -555,9 +555,7 @@ static void tsi721_advance_work(struct tsi721_bdma_chan *bdma_chan,
* If there is no data transfer in progress, fetch new descriptor from
* the pending queue.
*/
-
- if (desc == NULL && bdma_chan->active_tx == NULL &&
- !list_empty(&bdma_chan->queue)) {
+ if (!desc && !bdma_chan->active_tx && !list_empty(&bdma_chan->queue)) {
desc = list_first_entry(&bdma_chan->queue,
struct tsi721_tx_desc, desc_node);
list_del_init((&desc->desc_node));
@@ -796,7 +794,7 @@ static void tsi721_free_chan_resources(struct dma_chan *dchan)
tsi_debug(DMA, &dchan->dev->device, "DMAC%d", bdma_chan->id);
- if (bdma_chan->bd_base == NULL)
+ if (!bdma_chan->bd_base)
return;
tsi721_bdma_interrupt_enable(bdma_chan, 0);
--
2.15.1
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
