Re: [PATCH] drm/qxl: replace idr_init() by idr_init_base()
From: Gerd Hoffmann
Date: Fri Nov 06 2020 - 03:24:50 EST
On Fri, Nov 06, 2020 at 12:20:16AM +0530, Deepak R Varma wrote:
> idr_init() uses base 0 which is an invalid identifier for this driver.
> The idr_alloc for this driver uses 1 as start value for ID range. 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 / available.
>
> References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient")
>
> Signed-off-by: Deepak R Varma <mh12gx2825@xxxxxxxxx>
Pushed to drm-misc-next.
thanks,
Gerd