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drm/i915: Fix memory leak in query_perf_config_list()

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When krealloc() fails, free the original oa_config_ids before returning
to avoid a memory leak.

Fixes: 4f6ccc74a8 ("drm/i915: add support for perf configuration queries")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Cc: <stable@vger.kernel.org> # v5.5+
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patch.msgid.link/20260823205028.178597-2-thorsten.blum@linux.dev
(cherry picked from commit 9977e9d84f46d4f12ad35fbbc0ec4638554bce87)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Thorsten Blum 2026-08-23 22:50:28 +02:00 committed by Jani Nikula
parent a894f97318
commit cbd3dafc20
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/i915_query.c
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@ -403,8 +403,10 @@ static int query_perf_config_list(struct drm_i915_private *i915,
ids = krealloc(oa_config_ids,
n_configs * sizeof(*oa_config_ids),
GFP_KERNEL);
if (!ids)
if (!ids) {
kfree(oa_config_ids);
return -ENOMEM;
}
alloc = fetch_and_zero(&n_configs);