Description: regmap: set debugfs_name to NULL after it is freed
References:
Notes:
 carnil> Introduced in cffa4b2122f5 ("regmap: debugfs: Fix a memory leak when calling
 carnil> regmap_attach_dev"). Vulnerable versions: 4.19.168 5.4.90 5.10.8 5.11-rc3.
Bugs:
upstream: released (5.13-rc1) [e41a962f82e7afb5b1ee644f48ad0b3aee656268]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.37) [eb949f891226c012138ffd9df90d1e509f428ae6]
4.19-upstream-stable: released (4.19.191) [2dc1554d5f0fdaf47cc5bea442b84b9226fea867]
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: released (4.19.194-1)