[PATCH] drm/i915: Fix memory leak in query_perf_config_list()
From: Thorsten Blum
Date: Sun Aug 23 2026 - 16:51:13 EST
When krealloc() fails, free the original oa_config_ids before returning
to avoid a memory leak.
Fixes: 4f6ccc74a85c ("drm/i915: add support for perf configuration queries")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_query.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c
index 0c55fb6e9727..11157fb14db3 100644
--- a/drivers/gpu/drm/i915/i915_query.c
+++ b/drivers/gpu/drm/i915/i915_query.c
@@ -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);