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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-07-13 18:00:18 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2019-01-07 16:07:39 +0100 |
| commit | f5fd9fd4000984f19db689282054953981a50534 (patch) | |
| tree | 567e4fe2b9233848cdf221109e8752133825c7a2 /drivers | |
| parent | bfeffd155283772bbe78c6a05dec7c0128ee500c (diff) | |
| download | linux-stable-f5fd9fd4000984f19db689282054953981a50534.tar.gz linux-stable-f5fd9fd4000984f19db689282054953981a50534.tar.bz2 linux-stable-f5fd9fd4000984f19db689282054953981a50534.zip | |
drm/etnaviv: fix some off by one bugs
The ->nr_signal is the supposed to be the number of elements in the
->signal array. There was one place where it was 5 but it was supposed
to be 4. That looks like a copy and paste bug. There were also two
checks that were off by one.
Fixes: 9e2c2e273012 ("drm/etnaviv: add infrastructure to query perf counter")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Tested-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c index 9980d81a26e3..4227a4006c34 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c @@ -113,7 +113,7 @@ static const struct etnaviv_pm_domain doms_3d[] = { .name = "PE", .profile_read = VIVS_MC_PROFILE_PE_READ, .profile_config = VIVS_MC_PROFILE_CONFIG0, - .nr_signals = 5, + .nr_signals = 4, .signal = (const struct etnaviv_pm_signal[]) { { "PIXEL_COUNT_KILLED_BY_COLOR_PIPE", @@ -435,7 +435,7 @@ int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu, dom = meta->domains + signal->domain; - if (signal->iter > dom->nr_signals) + if (signal->iter >= dom->nr_signals) return -EINVAL; sig = &dom->signal[signal->iter]; @@ -461,7 +461,7 @@ int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r, dom = meta->domains + r->domain; - if (r->signal > dom->nr_signals) + if (r->signal >= dom->nr_signals) return -EINVAL; return 0; |