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drm/xe: Fix bo leak in intel_fb_bo_framebuffer_init

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Add a unreference bo in the error path, to prevent leaking a bo ref.

Return 0 on success to clarify the success path.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 44e694958b ("drm/xe/display: Implement display support")
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404090302.68422-1-maarten.lankhorst@linux.intel.com
This commit is contained in:
Maarten Lankhorst 2024-04-04 11:03:02 +02:00
parent 4209d635a8
commit a2f3d731be
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/xe/display/intel_fb_bo.c
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@ -31,7 +31,7 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
ret = ttm_bo_reserve(&bo->ttm, true, false, NULL);
if (ret)
return ret;
goto err;
if (!(bo->flags & XE_BO_FLAG_SCANOUT)) {
/*
@ -42,12 +42,16 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
*/
if (XE_IOCTL_DBG(i915, !list_empty(&bo->ttm.base.gpuva.list))) {
ttm_bo_unreserve(&bo->ttm);
return -EINVAL;
ret = -EINVAL;
goto err;
}
bo->flags |= XE_BO_FLAG_SCANOUT;
}
ttm_bo_unreserve(&bo->ttm);
return 0;
err:
xe_bo_put(bo);
return ret;
}