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authorZou Wei <zou_wei@huawei.com>2020-04-21 20:37:31 +0800
committerBen Skeggs <bskeggs@redhat.com>2020-05-22 11:13:49 +1000
commit75a708918a92e30765d793b78b323efae12ef2b0 (patch)
tree9905ee0fb77452a641d519b58c47c695db96b887 /drivers
parentcf0f64ff4f28b4ed0cae9a3a907eda95cbe69cfe (diff)
drm/nouveau/acr: Use kmemdup instead of kmalloc and memcpy
Fixes coccicheck warning: drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c:103:23-30: WARNING opportunity for kmemdup drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c:113:22-29: WARNING opportunity for kmemdup Fixes: 22dcda45a3d1 ("drm/nouveau/acr: implement new subdev to replace "secure boot"") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zou Wei <zou_wei@huawei.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
index aecce2dac558..667fa016496e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
@@ -100,25 +100,21 @@ nvkm_acr_hsfw_load_image(struct nvkm_acr *acr, const char *name, int ver,
hsfw->data_size = lhdr->data_size;
hsfw->sig.prod.size = fwhdr->sig_prod_size;
- hsfw->sig.prod.data = kmalloc(hsfw->sig.prod.size, GFP_KERNEL);
+ hsfw->sig.prod.data = kmemdup(fw->data + fwhdr->sig_prod_offset + sig,
+ hsfw->sig.prod.size, GFP_KERNEL);
if (!hsfw->sig.prod.data) {
ret = -ENOMEM;
goto done;
}
- memcpy(hsfw->sig.prod.data, fw->data + fwhdr->sig_prod_offset + sig,
- hsfw->sig.prod.size);
-
hsfw->sig.dbg.size = fwhdr->sig_dbg_size;
- hsfw->sig.dbg.data = kmalloc(hsfw->sig.dbg.size, GFP_KERNEL);
+ hsfw->sig.dbg.data = kmemdup(fw->data + fwhdr->sig_dbg_offset + sig,
+ hsfw->sig.dbg.size, GFP_KERNEL);
if (!hsfw->sig.dbg.data) {
ret = -ENOMEM;
goto done;
}
- memcpy(hsfw->sig.dbg.data, fw->data + fwhdr->sig_dbg_offset + sig,
- hsfw->sig.dbg.size);
-
hsfw->sig.patch_loc = loc;
done:
nvkm_firmware_put(fw);