56 lines
2.0 KiB
Diff
56 lines
2.0 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Zou Wei <zou_wei@huawei.com>
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Date: Tue, 21 Apr 2020 20:37:31 +0800
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Subject: [PATCH] acr: Use kmemdup instead of kmalloc and memcpy
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Fixes coccicheck warning:
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drivers/gpu/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c:103:23-30: WARNING opportunity for kmemdup
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drivers/gpu/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c:113:22-29: WARNING opportunity for kmemdup
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Fixes: 22dcda45a3d1 ("drivers/gpu/drm/nouveau/acr: implement new subdev to replace "secure boot"")
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Reported-by: Hulk Robot <hulkci@huawei.com>
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Signed-off-by: Zou Wei <zou_wei@huawei.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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---
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drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c | 12 ++++--------
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1 file changed, 4 insertions(+), 8 deletions(-)
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diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
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index aecce2dac558..667fa016496e 100644
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--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
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+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
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@@ -100,25 +100,21 @@ nvkm_acr_hsfw_load_image(struct nvkm_acr *acr, const char *name, int ver,
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hsfw->data_size = lhdr->data_size;
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hsfw->sig.prod.size = fwhdr->sig_prod_size;
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- hsfw->sig.prod.data = kmalloc(hsfw->sig.prod.size, GFP_KERNEL);
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+ hsfw->sig.prod.data = kmemdup(fw->data + fwhdr->sig_prod_offset + sig,
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+ hsfw->sig.prod.size, GFP_KERNEL);
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if (!hsfw->sig.prod.data) {
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ret = -ENOMEM;
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goto done;
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}
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- memcpy(hsfw->sig.prod.data, fw->data + fwhdr->sig_prod_offset + sig,
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- hsfw->sig.prod.size);
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-
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hsfw->sig.dbg.size = fwhdr->sig_dbg_size;
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- hsfw->sig.dbg.data = kmalloc(hsfw->sig.dbg.size, GFP_KERNEL);
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+ hsfw->sig.dbg.data = kmemdup(fw->data + fwhdr->sig_dbg_offset + sig,
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+ hsfw->sig.dbg.size, GFP_KERNEL);
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if (!hsfw->sig.dbg.data) {
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ret = -ENOMEM;
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goto done;
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}
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- memcpy(hsfw->sig.dbg.data, fw->data + fwhdr->sig_dbg_offset + sig,
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- hsfw->sig.dbg.size);
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-
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hsfw->sig.patch_loc = loc;
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done:
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nvkm_firmware_put(fw);
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--
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2.26.2
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