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Message-ID: <087a1c335228bd245192bbb2fb347c9af1be5750.1692208802.git.gustavoars@kernel.org>
Date: Wed, 16 Aug 2023 12:04:06 -0600
From: "Gustavo A. R. Silva" <gustavoars@...nel.org>
To: Ben Skeggs <bskeggs@...hat.com>, Karol Herbst <kherbst@...hat.com>,
Lyude Paul <lyude@...hat.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
linux-hardening@...r.kernel.org
Subject: [PATCH 1/2][next] nouveau/svm: Replace one-element array with
flexible-array member in struct nouveau_svm
One-element and zero-length arrays are deprecated. So, replace
one-element array in struct nouveau_svm with flexible-array member.
This results in no differences in binary output.
Link: https://github.com/KSPP/linux/issues/338
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
drivers/gpu/drm/nouveau/nouveau_svm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 186351ecf72f..00444ad82d18 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -67,7 +67,7 @@ struct nouveau_svm {
struct nouveau_svmm *svmm;
} **fault;
int fault_nr;
- } buffer[1];
+ } buffer[];
};
#define FAULT_ACCESS_READ 0
@@ -1063,7 +1063,7 @@ nouveau_svm_init(struct nouveau_drm *drm)
if (drm->client.device.info.family > NV_DEVICE_INFO_V0_PASCAL)
return;
- if (!(drm->svm = svm = kzalloc(sizeof(*drm->svm), GFP_KERNEL)))
+ if (!(drm->svm = svm = kzalloc(struct_size(drm->svm, buffer, 1), GFP_KERNEL)))
return;
drm->svm->drm = drm;
--
2.34.1
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