Description: drivers/thermal/loongson2_thermal: Fix incorrect PTR_ERR() judgment
References:
Notes:
 carnil> Introduced in e7e3a7c35791 ("thermal/drivers/loongson-2: Add thermal management
 carnil> support"). Vulnerable versions: 6.6-rc1.
Bugs:
upstream: released (6.8-rc1) [15ef92e9c41124ee9d88b01208364f3fe1f45f84]
6.7-upstream-stable: released (6.7.2) [6010a9fc14eb1feab5cafd84422001134fe8ec58]
6.6-upstream-stable: released (6.6.14) [70481755ed77400e783200e2d022e5fea16060ce]
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.6.15-1)
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"