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0cee720cfd
The calloc-allocated buffer in attr_lsm_count() is never released on
any exit path, including both the normal return path and the early
return when read_sysfs_lsms fails, resulting in a heap memory leak.
Add free() for the buffer on all return branches to fix the leak.
Fixes: d3d929a8b0 ("LSM: selftests for Linux Security Module syscalls")
Signed-off-by: Wang Yan <wangyan01@kylinos.cn>
Reviewed-by: William Roberts <bill.c.roberts@gmail.com>
Tested-by: William Roberts <bill.c.roberts@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>