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| author | Deepak R Varma <mh12gx2825@gmail.com> | 2020-11-05 20:36:46 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-11-10 17:22:28 +0300 |
| commit | 05854d482a5fe6a497be2e134805cb188a9ea361 (patch) | |
| tree | d919d1c0cff645a8aeb2b2049d6ac2bb889357c5 | |
| parent | a5d704d33245b0799947a3008f9f376dba4d5c91 (diff) | |
| download | linux-05854d482a5fe6a497be2e134805cb188a9ea361.tar.xz | |
drm/vgem: replace idr_init() by idr_init_base()
idr_init() uses base 0 which is an invalid identifier. 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: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105173646.GA41732@localhost
| -rw-r--r-- | drivers/gpu/drm/vgem/vgem_fence.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vgem/vgem_fence.c b/drivers/gpu/drm/vgem/vgem_fence.c index 17f32f550dd9..2902dc6e64fa 100644 --- a/drivers/gpu/drm/vgem/vgem_fence.c +++ b/drivers/gpu/drm/vgem/vgem_fence.c @@ -233,7 +233,7 @@ int vgem_fence_signal_ioctl(struct drm_device *dev, int vgem_fence_open(struct vgem_file *vfile) { mutex_init(&vfile->fence_mutex); - idr_init(&vfile->fence_idr); + idr_init_base(&vfile->fence_idr, 1); return 0; } |