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* [PATCH] dma-buf: Fix a warning message in dma_heap_buffer_destroy()
@ 2019-10-29 18:29 Dan Carpenter
  2019-10-30 16:17 ` John Stultz
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2019-10-29 18:29 UTC (permalink / raw)
  To: Sumit Semwal, John Stultz
  Cc: Andrew F. Davis, Benjamin Gaignard, Liam Mark, Laura Abbott,
	Brian Starkey, linux-media, dri-devel, linaro-mm-sig,
	linux-kernel, kernel-janitors

The first argument of WARN() is a condition so this will just print the
function name instead of the whole warning message.

Fixes: 7b87ea704fd9 ("dma-buf: heaps: Add heap helpers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/dma-buf/heaps/heap-helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
index 750bef4e902d..a31684c0d5b2 100644
--- a/drivers/dma-buf/heaps/heap-helpers.c
+++ b/drivers/dma-buf/heaps/heap-helpers.c
@@ -52,7 +52,7 @@ static void *dma_heap_map_kernel(struct heap_helper_buffer *buffer)
 static void dma_heap_buffer_destroy(struct heap_helper_buffer *buffer)
 {
 	if (buffer->vmap_cnt > 0) {
-		WARN("%s: buffer still mapped in the kernel\n", __func__);
+		WARN(1, "%s: buffer still mapped in the kernel\n", __func__);
 		vunmap(buffer->vaddr);
 	}
 
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] dma-buf: Fix a warning message in dma_heap_buffer_destroy()
  2019-10-29 18:29 [PATCH] dma-buf: Fix a warning message in dma_heap_buffer_destroy() Dan Carpenter
@ 2019-10-30 16:17 ` John Stultz
  0 siblings, 0 replies; 2+ messages in thread
From: John Stultz @ 2019-10-30 16:17 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Sumit Semwal, Andrew F. Davis, Benjamin Gaignard, Liam Mark,
	Laura Abbott, Brian Starkey, linux-media, dri-devel,
	moderated list:DMA BUFFER SHARING FRAMEWORK, lkml,
	kernel-janitors

On Tue, Oct 29, 2019 at 11:31 AM Dan Carpenter <dan.carpenter@oracle.com> wrote:
>
> The first argument of WARN() is a condition so this will just print the
> function name instead of the whole warning message.
>
> Fixes: 7b87ea704fd9 ("dma-buf: heaps: Add heap helpers")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
>  drivers/dma-buf/heaps/heap-helpers.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
> index 750bef4e902d..a31684c0d5b2 100644
> --- a/drivers/dma-buf/heaps/heap-helpers.c
> +++ b/drivers/dma-buf/heaps/heap-helpers.c
> @@ -52,7 +52,7 @@ static void *dma_heap_map_kernel(struct heap_helper_buffer *buffer)
>  static void dma_heap_buffer_destroy(struct heap_helper_buffer *buffer)
>  {
>         if (buffer->vmap_cnt > 0) {
> -               WARN("%s: buffer still mapped in the kernel\n", __func__);
> +               WARN(1, "%s: buffer still mapped in the kernel\n", __func__);
>                 vunmap(buffer->vaddr);
>         }

Thanks for catching and reporting this!

Acked-by: John Stultz <john.stultz@linaro.org>

Sumit, do you mind picking this up for drm-misc-next?

thanks
-john

^ permalink raw reply	[flat|nested] 2+ messages in thread

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