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Date: Tue, 25 Apr 2017 14:36:42 +0000 From: Wei Yongjun <weiyj.lk@...il.com> To: Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>, Alexandre Courbot <acourbot@...dia.com> Cc: Wei Yongjun <weiyongjun1@...wei.com>, dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: [PATCH -next] drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr() From: Wei Yongjun <weiyongjun1@...wei.com> 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@...wei.com> --- drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c index b10ed59..30491d1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c @@ -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);
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