diff options
| -rw-r--r-- | fs/nfsd/export.c | 12 | ||||
| -rw-r--r-- | fs/nfsd/nfs4idmap.c | 13 | ||||
| -rw-r--r-- | fs/nfsd/nfsctl.c | 12 | ||||
| -rw-r--r-- | include/linux/nfsd/export.h | 2 | ||||
| -rw-r--r-- | include/linux/nfsd_idmap.h | 11 | ||||
| -rw-r--r-- | include/linux/sunrpc/cache.h | 2 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 17 | ||||
| -rw-r--r-- | net/sunrpc/cache.c | 30 |
8 files changed, 74 insertions, 25 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index d29b70a..cbbc594 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -1637,13 +1637,19 @@ exp_verify_string(char *cp, int max) /* * Initialize the exports module. */ -void +int nfsd_export_init(void) { + int rv; dprintk("nfsd: initializing export module.\n"); - cache_register(&svc_export_cache); - cache_register(&svc_expkey_cache); + rv = cache_register(&svc_export_cache); + if (rv) + return rv; + rv = cache_register(&svc_expkey_cache); + if (rv) + cache_unregister(&svc_export_cache); + return rv; } diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index ef22179..996bd88 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -464,11 +464,18 @@ nametoid_update(struct ent *new, struct ent *old) * Exported API */ -void +int nfsd_idmap_init(void) { - cache_register(&idtoname_cache); - cache_register(&nametoid_cache); + int rv; + + rv = cache_register(&idtoname_cache); + if (rv) + return rv; + rv = cache_register(&nametoid_cache); + if (rv) + cache_unregister(&idtoname_cache); + return rv; } void diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 2b95597..4aba926 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -707,9 +707,13 @@ static int __init init_nfsd(void) retval = nfsd_reply_cache_init(); if (retval) goto out_free_stat; - nfsd_export_init(); /* Exports table */ + retval = nfsd_export_init(); + if (retval) + goto out_free_cache; nfsd_lockd_init(); /* lockd->nfsd callbacks */ - nfsd_idmap_init(); /* Name to ID mapping */ + retval = nfsd_idmap_init(); + if (retval) + goto out_free_lockd; retval = create_proc_exports_entry(); if (retval) goto out_free_idmap; @@ -720,10 +724,12 @@ static int __init init_nfsd(void) out_free_all: remove_proc_entry("fs/nfs/exports", NULL); remove_proc_entry("fs/nfs", NULL); - nfsd_idmap_shutdown(); out_free_idmap: + nfsd_idmap_shutdown(); +out_free_lockd: nfsd_lockd_shutdown(); nfsd_export_shutdown(); +out_free_cache: nfsd_reply_cache_shutdown(); out_free_stat: nfsd_stat_shutdown(); diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h index bcb7aba..3a16872 100644 --- a/include/linux/nfsd/export.h +++ b/include/linux/nfsd/export.h @@ -122,7 +122,7 @@ __be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp); /* * Function declarations */ -void nfsd_export_init(void); +int nfsd_export_init(void); void nfsd_export_shutdown(void); void nfsd_export_flush(void); void exp_readlock(void); diff --git a/include/linux/nfsd_idmap.h b/include/linux/nfsd_idmap.h index e82746f..d4a2ac1 100644 --- a/include/linux/nfsd_idmap.h +++ b/include/linux/nfsd_idmap.h @@ -44,11 +44,16 @@ #define IDMAP_NAMESZ 128 #ifdef CONFIG_NFSD_V4 -void nfsd_idmap_init(void); +int nfsd_idmap_init(void); void nfsd_idmap_shutdown(void); #else -static inline void nfsd_idmap_init(void) {}; -static inline void nfsd_idmap_shutdown(void) {}; +static inline int nfsd_idmap_init(void) +{ + return 0; +} +static inline void nfsd_idmap_shutdown(void) +{ +} #endif int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *); diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index b683b5d..03547d6 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -169,7 +169,7 @@ extern int cache_check(struct cache_detail *detail, extern void cache_flush(void); extern void cache_purge(struct cache_detail *detail); #define NEVER (0x7FFFFFFF) -extern void cache_register(struct cache_detail *cd); +extern int cache_register(struct cache_detail *cd); extern void cache_unregister(struct cache_detail *cd); extern void qword_add(char **bpp, int *lp, char *str); diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index d329a12..aa790bb 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1386,10 +1386,19 @@ int gss_svc_init(void) { int rv = svc_auth_register(RPC_AUTH_GSS, &svcauthops_gss); - if (rv == 0) { - cache_register(&rsc_cache); - cache_register(&rsi_cache); - } + if (rv) + return rv; + rv = cache_register(&rsc_cache); + if (rv) + goto out1; + rv = cache_register(&rsi_cache); + if (rv) + goto out2; + return 0; +out2: + cache_unregister(&rsc_cache); +out1: + svc_auth_unregister(RPC_AUTH_GSS); return rv; } diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index f41a7cc..50b1a8b 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -304,20 +304,21 @@ static void remove_cache_proc_entries(struct cache_detail *cd) remove_proc_entry(cd->name, proc_net_rpc); } -static void create_cache_proc_entries(struct cache_detail *cd) +#ifdef CONFIG_PROC_FS +static int create_cache_proc_entries(struct cache_detail *cd) { struct proc_dir_entry *p; cd->proc_ent = proc_mkdir(cd->name, proc_net_rpc); if (cd->proc_ent == NULL) - return; + goto out_nomem; cd->proc_ent->owner = cd->owner; cd->channel_ent = cd->content_ent = NULL; p = create_proc_entry("flush", S_IFREG|S_IRUSR|S_IWUSR, cd->proc_ent); cd->flush_ent = p; if (p == NULL) - return; + goto out_nomem; p->proc_fops = &cache_flush_operations; p->owner = cd->owner; p->data = cd; @@ -327,7 +328,7 @@ static void create_cache_proc_entries(struct cache_detail *cd) cd->proc_ent); cd->channel_ent = p; if (p == NULL) - return; + goto out_nomem; p->proc_fops = &cache_file_operations; p->owner = cd->owner; p->data = cd; @@ -337,16 +338,30 @@ static void create_cache_proc_entries(struct cache_detail *cd) cd->proc_ent); cd->content_ent = p; if (p == NULL) - return; + goto out_nomem; p->proc_fops = &content_file_operations; p->owner = cd->owner; p->data = cd; } + return 0; +out_nomem: + remove_cache_proc_entries(cd); + return -ENOMEM; } +#else /* CONFIG_PROC_FS */ +static int create_cache_proc_entries(struct cache_detail *cd) +{ + return 0; +} +#endif -void cache_register(struct cache_detail *cd) +int cache_register(struct cache_detail *cd) { - create_cache_proc_entries(cd); + int ret; + + ret = create_cache_proc_entries(cd); + if (ret) + return ret; rwlock_init(&cd->hash_lock); INIT_LIST_HEAD(&cd->queue); spin_lock(&cache_list_lock); @@ -360,6 +375,7 @@ void cache_register(struct cache_detail *cd) /* start the cleaning process */ schedule_delayed_work(&cache_cleaner, 0); + return 0; } void cache_unregister(struct cache_detail *cd) |