CVE-2026-98834 mtd: core: avoid double-free of OTP NVMEM device

In the Linux kernel, the following vulnerability has been resolved: mtd: core: avoid double-free of OTP NVMEM device If factory OTP setup fails after the user OTP NVMEM device has been registered, mtdotpnvmemadd unregisters the user device but leaves mtd-otpusernvmem set. On an error, the caller...