Am 09.10.20 um 15:54 schrieb Gustavo A. R. Silva:
On Fri, Oct 09, 2020 at 09:08:51AM +0200, Christian König wrote:
Am 08.10.20 um 16:34 schrieb Gustavo A. R. Silva:
Make use of the new struct_size() helper instead of the offsetof() idiom.
Also, use kmalloc() instead of kcalloc().
Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index c80d8339f58c..5be125f3b92a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -100,7 +100,7 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
enum drm_sched_priority priority;
int r;
- entity = kcalloc(1, offsetof(typeof(*entity), fences[amdgpu_sched_jobs]),
+ entity = kmalloc(struct_size(entity, fences, amdgpu_sched_jobs),
NAK. You could use kzalloc() here, but kmalloc won't zero initialize the
memory which could result in unforeseen consequences.
Oh I see.. I certainly didn't take that into account.
I'll fix that up and respin.
Shit happens, we already have a fix for this. Alex merged it and it
immediately broke our testing systems.
So one of our engineers came up with a fix which should already have
been applied.
Christian.
Thanks
--
Gustavo
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