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drm/nouveau: fix oops in client init failure path 

The NV_ERROR macro requires drm->client to be initialised, which it may not
be at this stage of the init process.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2018-08-28 14:10:34 +10:00
parent d5986a1c4d
commit a43b16dda2
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/nouveau/nouveau_drm.c
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@ -230,7 +230,7 @@ nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
mutex_unlock(&drm->master.lock);
}
if (ret) {
NV_ERROR(drm, "Client allocation failed: %d\n", ret);
NV_PRINTK(err, cli, "Client allocation failed: %d\n", ret);
goto done;
}
@ -240,37 +240,37 @@ nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
}, sizeof(struct nv_device_v0),
&cli->device);
if (ret) {
NV_ERROR(drm, "Device allocation failed: %d\n", ret);
NV_PRINTK(err, cli, "Device allocation failed: %d\n", ret);
goto done;
}
ret = nvif_mclass(&cli->device.object, mmus);
if (ret < 0) {
NV_ERROR(drm, "No supported MMU class\n");
NV_PRINTK(err, cli, "No supported MMU class\n");
goto done;
}
ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu);
if (ret) {
NV_ERROR(drm, "MMU allocation failed: %d\n", ret);
NV_PRINTK(err, cli, "MMU allocation failed: %d\n", ret);
goto done;
}
ret = nvif_mclass(&cli->mmu.object, vmms);
if (ret < 0) {
NV_ERROR(drm, "No supported VMM class\n");
NV_PRINTK(err, cli, "No supported VMM class\n");
goto done;
}
ret = nouveau_vmm_init(cli, vmms[ret].oclass, &cli->vmm);
if (ret) {
NV_ERROR(drm, "VMM allocation failed: %d\n", ret);
NV_PRINTK(err, cli, "VMM allocation failed: %d\n", ret);
goto done;
}
ret = nvif_mclass(&cli->mmu.object, mems);
if (ret < 0) {
NV_ERROR(drm, "No supported MEM class\n");
NV_PRINTK(err, cli, "No supported MEM class\n");
goto done;
}