diff options
| author | Zou Wei <zou_wei@huawei.com> | 2020-04-21 20:37:31 +0800 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-05-22 11:13:49 +1000 |
| commit | 75a708918a92e30765d793b78b323efae12ef2b0 (patch) | |
| tree | 9905ee0fb77452a641d519b58c47c695db96b887 /drivers/gpu | |
| parent | cf0f64ff4f28b4ed0cae9a3a907eda95cbe69cfe (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/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c | 12 |
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); |