diff options
| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-07-25 14:33:36 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-08-08 15:56:00 +0200 |
| commit | d6f756e09f01ea7a0efbbcef269a1e384a35d824 (patch) | |
| tree | bb8aa5b70f25f97725232abf2f65fd28e529511b /drivers/gpu/drm | |
| parent | 5669b9989eaa664cacbad6a85631550bccdad963 (diff) | |
| download | linux-d6f756e09f01ea7a0efbbcef269a1e384a35d824.tar.gz linux-d6f756e09f01ea7a0efbbcef269a1e384a35d824.tar.bz2 linux-d6f756e09f01ea7a0efbbcef269a1e384a35d824.zip | |
drm/etnaviv: Fix off-by-one error in reloc checking
A relocation pointing to the last four bytes of a buffer can
legitimately happen in the case of small vertex buffers.
CC: stable@vger.kernel.org #4.9+
Signed-off-by: Wladimir J. van der Laan <laanwj@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 5bd93169dac2..6463fc2c736f 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -270,8 +270,8 @@ static int submit_reloc(struct etnaviv_gem_submit *submit, void *stream, if (ret) return ret; - if (r->reloc_offset >= bo->obj->base.size - sizeof(*ptr)) { - DRM_ERROR("relocation %u outside object", i); + if (r->reloc_offset > bo->obj->base.size - sizeof(*ptr)) { + DRM_ERROR("relocation %u outside object\n", i); return -EINVAL; } |