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Subject[PATCH RESEND v3 1/6] drm/nouveau: Check backlight IDs are >= 0, not > 0
Date
Remember, ida IDs start at 0, not 1!

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/nouveau/nouveau_backlight.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 408b955e5c39..6dd72bc32897 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -116,7 +116,7 @@ nv40_backlight_init(struct drm_connector *connector)
&nv40_bl_ops, &props);

if (IS_ERR(bd)) {
- if (bl_connector.id > 0)
+ if (bl_connector.id >= 0)
ida_simple_remove(&bl_ida, bl_connector.id);
return PTR_ERR(bd);
}
@@ -249,7 +249,7 @@ nv50_backlight_init(struct drm_connector *connector)
nv_encoder, ops, &props);

if (IS_ERR(bd)) {
- if (bl_connector.id > 0)
+ if (bl_connector.id >= 0)
ida_simple_remove(&bl_ida, bl_connector.id);
return PTR_ERR(bd);
}
--
2.17.1
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