diff options
| -rw-r--r-- | fs/verity/fsverity_private.h | 11 | ||||
| -rw-r--r-- | fs/verity/init.c | 24 | ||||
| -rw-r--r-- | fs/verity/open.c | 18 | ||||
| -rw-r--r-- | fs/verity/signature.c | 42 | ||||
| -rw-r--r-- | fs/verity/verify.c | 11 |
5 files changed, 28 insertions, 78 deletions
diff --git a/fs/verity/fsverity_private.h b/fs/verity/fsverity_private.h index 49bf3a1eb2a0..c5ab9023dd2d 100644 --- a/fs/verity/fsverity_private.h +++ b/fs/verity/fsverity_private.h @@ -118,8 +118,7 @@ void fsverity_free_info(struct fsverity_info *vi); int fsverity_get_descriptor(struct inode *inode, struct fsverity_descriptor **desc_ret); -int __init fsverity_init_info_cache(void); -void __init fsverity_exit_info_cache(void); +void __init fsverity_init_info_cache(void); /* signature.c */ @@ -127,7 +126,7 @@ void __init fsverity_exit_info_cache(void); int fsverity_verify_signature(const struct fsverity_info *vi, const u8 *signature, size_t sig_size); -int __init fsverity_init_signature(void); +void __init fsverity_init_signature(void); #else /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */ static inline int fsverity_verify_signature(const struct fsverity_info *vi, @@ -136,15 +135,13 @@ fsverity_verify_signature(const struct fsverity_info *vi, return 0; } -static inline int fsverity_init_signature(void) +static inline void fsverity_init_signature(void) { - return 0; } #endif /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */ /* verify.c */ -int __init fsverity_init_workqueue(void); -void __init fsverity_exit_workqueue(void); +void __init fsverity_init_workqueue(void); #endif /* _FSVERITY_PRIVATE_H */ diff --git a/fs/verity/init.c b/fs/verity/init.c index 023905151035..bcd11d63eb1c 100644 --- a/fs/verity/init.c +++ b/fs/verity/init.c @@ -33,28 +33,10 @@ void fsverity_msg(const struct inode *inode, const char *level, static int __init fsverity_init(void) { - int err; - fsverity_check_hash_algs(); - - err = fsverity_init_info_cache(); - if (err) - return err; - - err = fsverity_init_workqueue(); - if (err) - goto err_exit_info_cache; - - err = fsverity_init_signature(); - if (err) - goto err_exit_workqueue; - + fsverity_init_info_cache(); + fsverity_init_workqueue(); + fsverity_init_signature(); return 0; - -err_exit_workqueue: - fsverity_exit_workqueue(); -err_exit_info_cache: - fsverity_exit_info_cache(); - return err; } late_initcall(fsverity_init) diff --git a/fs/verity/open.c b/fs/verity/open.c index 1db5106a9c38..6c31a871b84b 100644 --- a/fs/verity/open.c +++ b/fs/verity/open.c @@ -408,18 +408,10 @@ void __fsverity_cleanup_inode(struct inode *inode) } EXPORT_SYMBOL_GPL(__fsverity_cleanup_inode); -int __init fsverity_init_info_cache(void) +void __init fsverity_init_info_cache(void) { - fsverity_info_cachep = KMEM_CACHE_USERCOPY(fsverity_info, - SLAB_RECLAIM_ACCOUNT, - file_digest); - if (!fsverity_info_cachep) - return -ENOMEM; - return 0; -} - -void __init fsverity_exit_info_cache(void) -{ - kmem_cache_destroy(fsverity_info_cachep); - fsverity_info_cachep = NULL; + fsverity_info_cachep = KMEM_CACHE_USERCOPY( + fsverity_info, + SLAB_RECLAIM_ACCOUNT | SLAB_PANIC, + file_digest); } diff --git a/fs/verity/signature.c b/fs/verity/signature.c index 72034bc71c9d..ec75ffec069e 100644 --- a/fs/verity/signature.c +++ b/fs/verity/signature.c @@ -109,43 +109,29 @@ static struct ctl_table fsverity_sysctl_table[] = { { } }; -static int __init fsverity_sysctl_init(void) +static void __init fsverity_sysctl_init(void) { - fsverity_sysctl_header = register_sysctl("fs/verity", fsverity_sysctl_table); - if (!fsverity_sysctl_header) { - pr_err("sysctl registration failed!\n"); - return -ENOMEM; - } - return 0; + fsverity_sysctl_header = register_sysctl("fs/verity", + fsverity_sysctl_table); + if (!fsverity_sysctl_header) + panic("fsverity sysctl registration failed"); } #else /* !CONFIG_SYSCTL */ -static inline int __init fsverity_sysctl_init(void) +static inline void fsverity_sysctl_init(void) { - return 0; } #endif /* !CONFIG_SYSCTL */ -int __init fsverity_init_signature(void) +void __init fsverity_init_signature(void) { - struct key *ring; - int err; - - ring = keyring_alloc(".fs-verity", KUIDT_INIT(0), KGIDT_INIT(0), - current_cred(), KEY_POS_SEARCH | + fsverity_keyring = + keyring_alloc(".fs-verity", KUIDT_INIT(0), KGIDT_INIT(0), + current_cred(), KEY_POS_SEARCH | KEY_USR_VIEW | KEY_USR_READ | KEY_USR_WRITE | KEY_USR_SEARCH | KEY_USR_SETATTR, - KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL); - if (IS_ERR(ring)) - return PTR_ERR(ring); - - err = fsverity_sysctl_init(); - if (err) - goto err_put_ring; - - fsverity_keyring = ring; - return 0; + KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL); + if (IS_ERR(fsverity_keyring)) + panic("failed to allocate \".fs-verity\" keyring"); -err_put_ring: - key_put(ring); - return err; + fsverity_sysctl_init(); } diff --git a/fs/verity/verify.c b/fs/verity/verify.c index 433cef51f5f6..904ccd7e8e16 100644 --- a/fs/verity/verify.c +++ b/fs/verity/verify.c @@ -346,7 +346,7 @@ void fsverity_enqueue_verify_work(struct work_struct *work) } EXPORT_SYMBOL_GPL(fsverity_enqueue_verify_work); -int __init fsverity_init_workqueue(void) +void __init fsverity_init_workqueue(void) { /* * Use a high-priority workqueue to prioritize verification work, which @@ -360,12 +360,5 @@ int __init fsverity_init_workqueue(void) WQ_HIGHPRI, num_online_cpus()); if (!fsverity_read_workqueue) - return -ENOMEM; - return 0; -} - -void __init fsverity_exit_workqueue(void) -{ - destroy_workqueue(fsverity_read_workqueue); - fsverity_read_workqueue = NULL; + panic("failed to allocate fsverity_read_queue"); } |