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drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr() 

The error return code PTR_ERR(mc) is always 0 since mc is
equal to 0 in this error handling case.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Wei Yongjun 2017-04-25 14:36:42 +00:00 committed by Ben Skeggs
parent 60b95d7095
commit 48907c23ea
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
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@ -48,7 +48,7 @@ gm20b_secboot_tegra_read_wpr(struct gm200_secboot *gsb, u32 mc_base)
mc = ioremap(mc_base, 0xd00);
if (!mc) {
nvkm_error(&sb->subdev, "Cannot map Tegra MC registers\n");
return PTR_ERR(mc);
return -ENOMEM;
}
sb->wpr_addr = ioread32_native(mc + MC_SECURITY_CARVEOUT2_BOM_0) |
((u64)ioread32_native(mc + MC_SECURITY_CARVEOUT2_BOM_HI_0) << 32);