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authorAndi Shyti <andi.shyti@linux.intel.com>2023-05-26 14:41:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-06-14 11:16:54 +0200
commit23bf77b1ed053634df713b1853b5995ada279f84 (patch)
tree5e08acaa9f048a768cc6d54bf91c51f934ac001a
parent6de30a67e3a81afc601dedaaf2aafc82729dd072 (diff)
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drm/i915/gt: Use the correct error value when kernel_context() fails
commit 40023959dbab3c6ad56fa7213770e63d197b69fb upstream. kernel_context() returns an error pointer. Use pointer-error conversion functions to evaluate its return value, rather than checking for a '0' return. Fixes: eb5c10cbbc2f ("drm/i915: Remove I915_USER_PRIORITY_SHIFT") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: <stable@vger.kernel.org> # v5.13+ Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Acked-by: Tejas Upadhyay <tejas.upadhyay@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230526124138.2006110-1-andi.shyti@linux.intel.com (cherry picked from commit edad9ee94f17adc75d3b13ab51bbe3d615ce1e7e) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/i915/gt/selftest_execlists.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_execlists.c b/drivers/gpu/drm/i915/gt/selftest_execlists.c
index 736b89a8ecf5..4202df5b8c12 100644
--- a/drivers/gpu/drm/i915/gt/selftest_execlists.c
+++ b/drivers/gpu/drm/i915/gt/selftest_execlists.c
@@ -1530,8 +1530,8 @@ static int live_busywait_preempt(void *arg)
struct drm_i915_gem_object *obj;
struct i915_vma *vma;
enum intel_engine_id id;
- int err = -ENOMEM;
u32 *map;
+ int err;
/*
* Verify that even without HAS_LOGICAL_RING_PREEMPTION, we can
@@ -1539,13 +1539,17 @@ static int live_busywait_preempt(void *arg)
*/
ctx_hi = kernel_context(gt->i915, NULL);
- if (!ctx_hi)
- return -ENOMEM;
+ if (IS_ERR(ctx_hi))
+ return PTR_ERR(ctx_hi);
+
ctx_hi->sched.priority = I915_CONTEXT_MAX_USER_PRIORITY;
ctx_lo = kernel_context(gt->i915, NULL);
- if (!ctx_lo)
+ if (IS_ERR(ctx_lo)) {
+ err = PTR_ERR(ctx_lo);
goto err_ctx_hi;
+ }
+
ctx_lo->sched.priority = I915_CONTEXT_MIN_USER_PRIORITY;
obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE);