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* [PATCH v2] drm/nouveau/gsp: fix mismatched alloc/free for kvmalloc()
@ 2025-08-13 12:54 Qianfeng Rong
  2025-08-15 20:57 ` Danilo Krummrich
  0 siblings, 1 reply; 2+ messages in thread
From: Qianfeng Rong @ 2025-08-13 12:54 UTC (permalink / raw)
  To: Lyude Paul, Danilo Krummrich, David Airlie, Simona Vetter,
	Dave Airlie, Timur Tabi, Ben Skeggs, Qianfeng Rong, Zhi Wang,
	dri-devel, nouveau, linux-kernel
  Cc: stable

Replace kfree() with kvfree() for memory allocated by kvmalloc().

Compile-tested only.

Cc: stable@vger.kernel.org
Fixes: 8a8b1ec5261f ("drm/nouveau/gsp: split rpc handling out on its own")
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Timur Tabi <ttabi@nvidia.com>
Acked-by: Zhi Wang <zhiw@nvidia.com>
---
v2: Add a Fixes: tag.
---
 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c
index 9d06ff722fea..0dc4782df8c0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c
@@ -325,7 +325,7 @@ r535_gsp_msgq_recv(struct nvkm_gsp *gsp, u32 gsp_rpc_len, int *retries)
 
 		rpc = r535_gsp_msgq_peek(gsp, sizeof(*rpc), info.retries);
 		if (IS_ERR_OR_NULL(rpc)) {
-			kfree(buf);
+			kvfree(buf);
 			return rpc;
 		}
 
@@ -334,7 +334,7 @@ r535_gsp_msgq_recv(struct nvkm_gsp *gsp, u32 gsp_rpc_len, int *retries)
 
 		rpc = r535_gsp_msgq_recv_one_elem(gsp, &info);
 		if (IS_ERR_OR_NULL(rpc)) {
-			kfree(buf);
+			kvfree(buf);
 			return rpc;
 		}
 
-- 
2.34.1


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

* Re: [PATCH v2] drm/nouveau/gsp: fix mismatched alloc/free for kvmalloc()
  2025-08-13 12:54 [PATCH v2] drm/nouveau/gsp: fix mismatched alloc/free for kvmalloc() Qianfeng Rong
@ 2025-08-15 20:57 ` Danilo Krummrich
  0 siblings, 0 replies; 2+ messages in thread
From: Danilo Krummrich @ 2025-08-15 20:57 UTC (permalink / raw)
  To: Qianfeng Rong
  Cc: Lyude Paul, David Airlie, Simona Vetter, Dave Airlie, Timur Tabi,
	Ben Skeggs, Zhi Wang, dri-devel, nouveau, linux-kernel, stable

On 8/13/25 2:54 PM, Qianfeng Rong wrote:
> Replace kfree() with kvfree() for memory allocated by kvmalloc().
> 
> Compile-tested only.
> 
> Cc: stable@vger.kernel.org
> Fixes: 8a8b1ec5261f ("drm/nouveau/gsp: split rpc handling out on its own")
> Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
> Reviewed-by: Timur Tabi <ttabi@nvidia.com>
> Acked-by: Zhi Wang <zhiw@nvidia.com>

Applied to drm-misc-fixes, thanks!

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

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2025-08-15 20:57 ` Danilo Krummrich

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