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authorDeepak R Varma <mh12gx2825@gmail.com>2020-11-05 23:29:28 +0530
committerThierry Reding <treding@nvidia.com>2020-11-10 20:49:57 +0100
commit41f71629b4c432f8dd47d70ace813be5f79d4d75 (patch)
treeec752bd702c2759fe1339dde7e3b303e8a7ff207
parent5c1d644c09dbc13b2dc652435786e42b05ac1bb7 (diff)
downloadlwn-41f71629b4c432f8dd47d70ace813be5f79d4d75.tar.gz
lwn-41f71629b4c432f8dd47d70ace813be5f79d4d75.zip
drm/tegra: replace idr_init() by idr_init_base()
idr_init() uses base 0 which is an invalid identifier for this driver. The new function idr_init_base allows IDR to set the ID lookup from base 1. This avoids all lookups that otherwise starts from 0 since 0 is always unused. References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient") Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
-rw-r--r--drivers/gpu/drm/tegra/drm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index ba9d1c3e7cac..e4baf07992a4 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -90,7 +90,7 @@ static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp)
if (!fpriv)
return -ENOMEM;
- idr_init(&fpriv->contexts);
+ idr_init_base(&fpriv->contexts, 1);
mutex_init(&fpriv->lock);
filp->driver_priv = fpriv;