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| author | Thierry Reding <treding@nvidia.com> | 2017-03-09 20:04:57 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-04-04 19:18:47 +0200 |
| commit | 8cadb01d2c2f520a890d1bc78b45471f21b9b76d (patch) | |
| tree | 749035104a97b75397e2225f1bb560fcb51e925d /drivers/gpu/host1x/syncpt.c | |
| parent | 05d2f3ea0dbf0785ab6875a1494cf2f886fa50cd (diff) | |
| download | linux-8cadb01d2c2f520a890d1bc78b45471f21b9b76d.tar.bz2 | |
gpu: host1x: Fix potential out-of-bounds access
The check for valid syncpoint IDs is off by one. While at it, rewrite
the check to make it more easily understandable.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/host1x/syncpt.c')
| -rw-r--r-- | drivers/gpu/host1x/syncpt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c index 25c11a85050b..0ac026cdc30c 100644 --- a/drivers/gpu/host1x/syncpt.c +++ b/drivers/gpu/host1x/syncpt.c @@ -484,7 +484,7 @@ unsigned int host1x_syncpt_nb_mlocks(struct host1x *host) struct host1x_syncpt *host1x_syncpt_get(struct host1x *host, unsigned int id) { - if (host->info->nb_pts < id) + if (id >= host->info->nb_pts) return NULL; return host->syncpt + id; |