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From: Su Hui <suhui@nfschina.com>
To: Ben Skeggs <bskeggs@redhat.com>,
	Karol Herbst <kherbst@redhat.com>, Lyude Paul <lyude@redhat.com>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: airlied@redhat.com, dri-devel@lists.freedesktop.org,
	nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org, Su Hui <suhui@nfschina.com>
Subject: [PATCH] drm/nouveau/nvif: use struct_size()
Date: Wed, 31 May 2023 12:38:26 +0800	[thread overview]
Message-ID: <20230531043826.991183-1-suhui@nfschina.com> (raw)

Use struct_size() instead of hand writing it.
This is less verbose and more informative.

Signed-off-by: Su Hui <suhui@nfschina.com>
---
 drivers/gpu/drm/nouveau/nvif/object.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c
index 4d1aaee8fe15..4bd693aa4ee0 100644
--- a/drivers/gpu/drm/nouveau/nvif/object.c
+++ b/drivers/gpu/drm/nouveau/nvif/object.c
@@ -65,7 +65,7 @@ nvif_object_sclass_get(struct nvif_object *object, struct nvif_sclass **psclass)
 	u32 size;
 
 	while (1) {
-		size = sizeof(*args) + cnt * sizeof(args->sclass.oclass[0]);
+		size = struct_size(args, sclass.oclass, cnt);
 		if (!(args = kmalloc(size, GFP_KERNEL)))
 			return -ENOMEM;
 		args->ioctl.version = 0;
-- 
2.30.2


             reply	other threads:[~2023-05-31  4:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-31  4:38 Su Hui [this message]
2023-05-31  8:31 ` Dan Carpenter
2023-06-01  0:59   ` Su Hui

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