Description: iio: core: fix memleak in iio_device_register_sysfs
References:
Notes:
 carnil> Introduced in 32f171724e5c ("iio: core: rework iio device group creation").
 carnil> Vulnerable versions: 5.13-rc1.
Bugs:
upstream: released (6.8-rc5) [95a0d596bbd0552a78e13ced43f2be1038883c81]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.6) [3db312e06851996e7fb27cb5a8ccab4c0f9cdb93]
6.6-upstream-stable: released (6.6.18) [b90126c86d83912688501826643ea698f0df1728]
6.1-upstream-stable: released (6.1.79) [359f220d0e753bba840eac19ffedcdc816b532f2]
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: released (6.1.82-1)
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"