diff mbox

drm/nouveau/secboot/gm20b: Fix return value in case of error

Message ID 1474664786-30107-1-git-send-email-christophe.jaillet@wanadoo.fr (mailing list archive)
State New, archived
Headers show

Commit Message

Christophe JAILLET Sept. 23, 2016, 9:06 p.m. UTC
If 'ioremap()' returns 0, 'gm20b_tegra_read_wpr()' will return 0 as well,
which means success.
Return -ENOMEM instead

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
Not sure that -ENOMEM is the best value.
I've taken it because it is often used in such a case.
---
 drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
index d5395ebfe8d3..d88db933b3fd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
@@ -142,7 +142,7 @@  gm20b_tegra_read_wpr(struct gm200_secboot *gsb)
 	mc = ioremap(TEGRA_MC_BASE, 0xd00);
 	if (!mc) {
 		nvkm_error(&sb->subdev, "Cannot map Tegra MC registers\n");
-		return PTR_ERR(mc);
+		return -ENOMEM;
 	}
 	gsb->wpr_addr = ioread32_native(mc + MC_SECURITY_CARVEOUT2_BOM_0) |
 	      ((u64)ioread32_native(mc + MC_SECURITY_CARVEOUT2_BOM_HI_0) << 32);