Commit 41f71629 authored by Deepak R Varma's avatar Deepak R Varma Committed by Thierry Reding
Browse files

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 6ce711f2 ("idr: Make 1-based IDRs more efficient")

Signed-off-by: default avatarDeepak R Varma <mh12gx2825@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 5c1d644c

drivers/gpu/drm/tegra/drm.c

+1 −1
Original line number Diff line number Diff line
@@ -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;