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From: Matthew Auld <matthew.auld@intel.com>
To: intel-xe@lists.freedesktop.org
Cc: Nirmoy Das <nirmoy.das@intel.com>, stable@vger.kernel.org
Subject: [PATCH] drm/xe/query: fix gt_id bounds check
Date: Thu, 21 Mar 2024 11:06:30 +0000	[thread overview]
Message-ID: <20240321110629.334701-2-matthew.auld@intel.com> (raw)

The user provided gt_id should always be less than the
XE_MAX_GT_PER_TILE.

Fixes: 7793d00d1bf5 ("drm/xe: Correlate engine and cpu timestamps with better accuracy")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
---
 drivers/gpu/drm/xe/xe_query.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index fcd8680d2ccc..df407d73e5f5 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -133,7 +133,7 @@ query_engine_cycles(struct xe_device *xe,
 		return -EINVAL;
 
 	eci = &resp.eci;
-	if (eci->gt_id > XE_MAX_GT_PER_TILE)
+	if (eci->gt_id >= XE_MAX_GT_PER_TILE)
 		return -EINVAL;
 
 	gt = xe_device_get_gt(xe, eci->gt_id);
-- 
2.44.0


             reply	other threads:[~2024-03-21 11:06 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-21 11:06 Matthew Auld [this message]
2024-03-21 11:20 ` [PATCH] drm/xe/query: fix gt_id bounds check Ghimiray, Himal Prasad

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