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From: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
Subject: [Intel-gfx] [PATCH 1/4] Klock work Fix for NULL dereferencing in i915_gem_ttm.c
Date: Mon, 28 Jun 2021 20:08:26 +0530	[thread overview]
Message-ID: <20210628143829.22995-2-krishnaiah.bommu@intel.com> (raw)
In-Reply-To: <20210628143829.22995-1-krishnaiah.bommu@intel.com>

Signed-off-by: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index c39d982c4fa66..97093a9bfccc2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -590,6 +590,7 @@ static unsigned long i915_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
 	GEM_WARN_ON(bo->ttm);
 
 	sg = __i915_gem_object_get_sg(obj, &obj->ttm.get_io_page, page_offset, &ofs, true, true);
+	GEM_BUG_ON(!sg);
 
 	return ((base + sg_dma_address(sg)) >> PAGE_SHIFT) + ofs;
 }
-- 
2.25.1

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  reply	other threads:[~2021-06-28 14:49 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-28 14:38 [Intel-gfx] [PATCH 0/4] The Following Patches are to Fix the Critical KclockWork Errors in i915_gem and gt Bommu Krishnaiah
2021-06-28 14:38 ` Bommu Krishnaiah [this message]
2021-06-29  9:26   ` [Intel-gfx] [PATCH 1/4] Klock work Fix for NULL dereferencing in i915_gem_ttm.c Ramalingam C
2021-07-01  9:39   ` Matthew Auld
2021-07-01  9:49     ` Matthew Auld
2021-06-28 14:38 ` [Intel-gfx] [PATCH 2/4] Klock work Fix for NULL dereferencing in i915_gem_mman.c Bommu Krishnaiah
2021-06-29  9:23   ` Ramalingam C
2021-06-28 14:38 ` [Intel-gfx] [PATCH 3/4] Klock work Fix for possible memory leak in intel_execlists_submission.c Bommu Krishnaiah
2021-06-28 15:01   ` Tvrtko Ursulin
2021-06-28 14:38 ` [Intel-gfx] [PATCH 4/4] Klock work Fix for uninitialized array intel_migrate.c Bommu Krishnaiah
2021-06-29  8:52   ` Ramalingam C
2021-06-28 18:37 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for The Following Patches are to Fix the Critical KclockWork Errors in i915_gem and gt Patchwork
2021-06-28 18:37 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-06-28 19:07 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-06-28 22:46 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-06-29  8:14 ` [Intel-gfx] [PATCH 0/4] " Ramalingam C

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