Re: [PATCH] dmaengine: ptdma: Remove dead code from pt_dmaengine_register()

From: Basavaraj Natikar
Date: Mon Apr 14 2025 - 23:46:09 EST



On 4/11/2025 10:24 PM, Eder Zulian wrote:
devm_kasprintf() is used to allocate and format a string and the
returned pointer is assigned to 'cmd_cache_name'. However, the variable
'cmd_cache_name' is not effectively used.

Remove the dead code.

Signed-off-by: Eder Zulian <ezulian@xxxxxxxxxx>
---
drivers/dma/amd/ptdma/ptdma-dmaengine.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/drivers/dma/amd/ptdma/ptdma-dmaengine.c b/drivers/dma/amd/ptdma/ptdma-dmaengine.c
index 715ac3ae067b..3a8014fb9cb4 100644
--- a/drivers/dma/amd/ptdma/ptdma-dmaengine.c
+++ b/drivers/dma/amd/ptdma/ptdma-dmaengine.c
@@ -565,7 +565,6 @@ int pt_dmaengine_register(struct pt_device *pt)
struct ae4_device *ae4 = NULL;
struct pt_dma_chan *chan;
char *desc_cache_name;
- char *cmd_cache_name;
int ret, i;
if (pt->ver == AE4_DMA_VERSION)
@@ -581,12 +580,6 @@ int pt_dmaengine_register(struct pt_device *pt)
if (!pt->pt_dma_chan)
return -ENOMEM;
- cmd_cache_name = devm_kasprintf(pt->dev, GFP_KERNEL,
- "%s-dmaengine-cmd-cache",
- dev_name(pt->dev));
- if (!cmd_cache_name)
- return -ENOMEM;
-
desc_cache_name = devm_kasprintf(pt->dev, GFP_KERNEL,
"%s-dmaengine-desc-cache",
dev_name(pt->dev));

Looks good to me.

Acked-by: Basavaraj Natikar<Basavaraj.Natikar@xxxxxxx>

Thanks,
--
Basavaraj