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From: Matthew Brost <matthew.brost@intel.com>
To: <intel-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>
Cc: daniele.ceraolospurio@intel.com, john.c.harrison@intel.com
Subject: [PATCH] drm/i915: Check return intel_context_timeline_lock of in eb_pin_timeline
Date: Tue,  4 Jan 2022 09:31:00 -0800	[thread overview]
Message-ID: <20220104173100.32342-1-matthew.brost@intel.com> (raw)

intel_context_timeline_lock can return can error if interrupted by a
user when trying to lock the timeline mutex. Check the return value of
intel_context_timeline_lock in eb_pin_timeline (execbuf IOCTL).

Fixes: 544460c33821 ("drm/i915: Multi-BB execbuf")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index e9541244027a..65a078945b00 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -2517,6 +2517,9 @@ static int eb_pin_timeline(struct i915_execbuffer *eb, struct intel_context *ce,
 			i915_request_put(rq);
 
 			tl = intel_context_timeline_lock(ce);
+			if (IS_ERR(tl))
+				return PTR_ERR(tl);
+
 			intel_context_exit(ce);
 			intel_context_timeline_unlock(tl);
 
-- 
2.34.1


WARNING: multiple messages have this Message-ID (diff)
From: Matthew Brost <matthew.brost@intel.com>
To: <intel-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>
Subject: [Intel-gfx] [PATCH] drm/i915: Check return intel_context_timeline_lock of in eb_pin_timeline
Date: Tue,  4 Jan 2022 09:31:00 -0800	[thread overview]
Message-ID: <20220104173100.32342-1-matthew.brost@intel.com> (raw)

intel_context_timeline_lock can return can error if interrupted by a
user when trying to lock the timeline mutex. Check the return value of
intel_context_timeline_lock in eb_pin_timeline (execbuf IOCTL).

Fixes: 544460c33821 ("drm/i915: Multi-BB execbuf")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index e9541244027a..65a078945b00 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -2517,6 +2517,9 @@ static int eb_pin_timeline(struct i915_execbuffer *eb, struct intel_context *ce,
 			i915_request_put(rq);
 
 			tl = intel_context_timeline_lock(ce);
+			if (IS_ERR(tl))
+				return PTR_ERR(tl);
+
 			intel_context_exit(ce);
 			intel_context_timeline_unlock(tl);
 
-- 
2.34.1


             reply	other threads:[~2022-01-04 17:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-04 17:31 Matthew Brost [this message]
2022-01-04 17:31 ` [Intel-gfx] [PATCH] drm/i915: Check return intel_context_timeline_lock of in eb_pin_timeline Matthew Brost
2022-01-04 18:31 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2022-01-04 20:17 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2022-01-04 23:05 ` [PATCH] " John Harrison
2022-01-04 23:05   ` [Intel-gfx] " John Harrison
2022-01-04 23:06   ` Matthew Brost
2022-01-04 23:06     ` [Intel-gfx] " Matthew Brost

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