6.15-stable review patch. If anyone has any objections, please let me know.
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From: Haoxiang Li haoxiang_li2024@163.com
commit 62207293479e6c03ef498a70f2914c51f4d31d2c upstream.
Add check for the return value of alloc_ordered_workqueue() in xe_display_create() to catch potential exception.
Fixes: 44e694958b95 ("drm/xe/display: Implement display support") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li haoxiang_li2024@163.com Reviewed-by: Matthew Auld matthew.auld@intel.com Link: https://lore.kernel.org/r/4ee1b0e5d1626ce1dde2e82af05c2edaed50c3aa.174739763... Signed-off-by: Jani Nikula jani.nikula@intel.com (cherry picked from commit 5b62d63395d5b7d4094e7cd380bccae4b25415cb) Signed-off-by: Thomas Hellström thomas.hellstrom@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/xe/display/xe_display.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -104,6 +104,8 @@ int xe_display_create(struct xe_device * spin_lock_init(&xe->display.fb_tracking.lock);
xe->display.hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0); + if (!xe->display.hotplug.dp_wq) + return -ENOMEM;
return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL); }