Description: drm/buddy: Fix alloc_range() error handling code
References:
Notes:
 carnil> Introduced in 0a1844bf0b53 ("drm/buddy: Improve contiguous memory allocation").
 carnil> Vulnerable versions: 6.7-rc1.
Bugs:
upstream: released (6.8-rc5) [8746c6c9dfa31d269c65dd52ab42fde0720b7d91]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.6) [4b59c3fada06e5e8010ef7700689c71986e667a2]
6.6-upstream-stable: N/A "Vulnerable code not present"
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 (6.7.7-1)
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"