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drm/amd/display: fix memory leaks

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Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2018-04-27 20:50:07 -04:00 committed by Alex Deucher
parent f0cd0a346d
commit 9fcab85c58
1 changed files with 16 additions and 8 deletions
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24
drivers/gpu/drm/amd/display/modules/stats/stats.c
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@ -115,12 +115,12 @@ struct mod_stats *mod_stats_create(struct dc *dc)
unsigned int reg_data;
int i = 0;
if (dc == NULL)
goto fail_construct;
core_stats = kzalloc(sizeof(struct core_stats), GFP_KERNEL);
if (core_stats == NULL)
goto fail_alloc_context;
if (dc == NULL)
goto fail_construct;
core_stats->dc = dc;
@ -146,6 +146,8 @@ struct mod_stats *mod_stats_create(struct dc *dc)
core_stats->entries,
GFP_KERNEL);
if (core_stats->time == NULL)
goto fail_construct_time;
core_stats->event_entries = DAL_STATS_EVENT_ENTRIES_DEFAULT;
core_stats->events = kzalloc(
@ -153,13 +155,13 @@ struct mod_stats *mod_stats_create(struct dc *dc)
core_stats->event_entries,
GFP_KERNEL);
if (core_stats->events == NULL)
goto fail_construct_events;
} else {
core_stats->entries = 0;
}
if (core_stats->time == NULL)
goto fail_construct;
/* Purposely leave index 0 unused so we don't need special logic to
* handle calculation cases that depend on previous flip data.
*/
@ -171,10 +173,13 @@ struct mod_stats *mod_stats_create(struct dc *dc)
return &core_stats->public;
fail_construct:
fail_construct_events:
kfree(core_stats->time);
fail_construct_time:
kfree(core_stats);
fail_alloc_context:
fail_construct:
return NULL;
}
@ -186,6 +191,9 @@ void mod_stats_destroy(struct mod_stats *mod_stats)
if (core_stats->time != NULL)
kfree(core_stats->time);
if (core_stats->events != NULL)
kfree(core_stats->events);
kfree(core_stats);
}
}