diff mbox series

dmaengine: idma64: Add check for dma_set_max_seg_size

Message ID 20240403024932.3342606-1-nichen@iscas.ac.cn (mailing list archive)
State Accepted
Commit 2b1c1cf08a0addb6df42f16b37133dc7a351de29
Headers show
Series dmaengine: idma64: Add check for dma_set_max_seg_size | expand

Commit Message

Chen Ni April 3, 2024, 2:49 a.m. UTC
As the possible failure of the dma_set_max_seg_size(), it should be
better to check the return value of the dma_set_max_seg_size().

Fixes: e3fdb1894cfa ("dmaengine: idma64: set maximum allowed segment size for DMA")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
---
 drivers/dma/idma64.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Andy Shevchenko April 3, 2024, 9:51 a.m. UTC | #1
On Wed, Apr 03, 2024 at 02:49:32AM +0000, Chen Ni wrote:
> As the possible failure of the dma_set_max_seg_size(), it should be
> better to check the return value of the dma_set_max_seg_size().

OK.
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Vinod Koul April 7, 2024, 4:38 p.m. UTC | #2
On Wed, 03 Apr 2024 02:49:32 +0000, Chen Ni wrote:
> As the possible failure of the dma_set_max_seg_size(), it should be
> better to check the return value of the dma_set_max_seg_size().
> 
> 

Applied, thanks!

[1/1] dmaengine: idma64: Add check for dma_set_max_seg_size
      commit: 2b1c1cf08a0addb6df42f16b37133dc7a351de29

Best regards,
diff mbox series

Patch

diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 78a938969d7d..58ac374efa3b 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -594,7 +594,9 @@  static int idma64_probe(struct idma64_chip *chip)
 
 	idma64->dma.dev = chip->sysdev;
 
-	dma_set_max_seg_size(idma64->dma.dev, IDMA64C_CTLH_BLOCK_TS_MASK);
+	ret = dma_set_max_seg_size(idma64->dma.dev, IDMA64C_CTLH_BLOCK_TS_MASK);
+	if (ret)
+		return ret;
 
 	ret = dma_async_device_register(&idma64->dma);
 	if (ret)