auxdisplay: charlcd: cancel backlight work on registration failure

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-89585 · Microsoft / collected KEV context

cve-program · CVE-2026-89585

• https://git.kernel.org/stable/c/cd97b3c68fe3c06c8067cc59d7dff976c5b7ea04
• https://git.kernel.org/stable/c/22586432c1aba89d9bd33f3173408dac830f220b
• https://git.kernel.org/stable/c/6eaed64a32e550daf0dc9549742b3ab9e41d984f
• https://git.kernel.org/stable/c/fe7ba73dde94c5f413b1588cd444b49105015dda
• https://git.kernel.org/stable/c/84858671842ae5857b9ed1202b62f9045373dcd1
• https://git.kernel.org/stable/c/ff2fb3c1e60cb247ea3e28c0ea0bea81c18f7755
• https://git.kernel.org/stable/c/e3e3bf40916c1e810df03958cfa7ba6883cdce79

No related operational record is retained in the current change model.