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 6ce711f275
("idr: Make 1-based IDRs more efficient")
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
zero-sugar-mainline-defconfig
parent
5c1d644c09
commit
41f71629b4
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@ -90,7 +90,7 @@ static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp)
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if (!fpriv)
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if (!fpriv)
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return -ENOMEM;
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return -ENOMEM;
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idr_init(&fpriv->contexts);
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idr_init_base(&fpriv->contexts, 1);
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mutex_init(&fpriv->lock);
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mutex_init(&fpriv->lock);
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filp->driver_priv = fpriv;
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filp->driver_priv = fpriv;
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