cred: get rid of CONFIG_DEBUG_CREDENTIALS
[sfrench/cifs-2.6.git] / include / linux / cred.h
index a3383f8efb8fcfd889e433db678cc028c8827c92..2976f534a7a32f050410125df97e9880cc429296 100644 (file)
@@ -110,13 +110,6 @@ static inline int groups_search(const struct group_info *group_info, kgid_t grp)
  */
 struct cred {
        atomic_long_t   usage;
-#ifdef CONFIG_DEBUG_CREDENTIALS
-       atomic_t        subscribers;    /* number of processes subscribed */
-       void            *put_addr;
-       unsigned        magic;
-#define CRED_MAGIC     0x43736564
-#define CRED_MAGIC_DEAD        0x44656144
-#endif
        kuid_t          uid;            /* real UID of the task */
        kgid_t          gid;            /* real GID of the task */
        kuid_t          suid;           /* saved UID of the task */
@@ -172,46 +165,6 @@ extern int cred_fscmp(const struct cred *, const struct cred *);
 extern void __init cred_init(void);
 extern int set_cred_ucounts(struct cred *);
 
-/*
- * check for validity of credentials
- */
-#ifdef CONFIG_DEBUG_CREDENTIALS
-extern void __noreturn __invalid_creds(const struct cred *, const char *, unsigned);
-extern void __validate_process_creds(struct task_struct *,
-                                    const char *, unsigned);
-
-extern bool creds_are_invalid(const struct cred *cred);
-
-static inline void __validate_creds(const struct cred *cred,
-                                   const char *file, unsigned line)
-{
-       if (unlikely(creds_are_invalid(cred)))
-               __invalid_creds(cred, file, line);
-}
-
-#define validate_creds(cred)                           \
-do {                                                   \
-       __validate_creds((cred), __FILE__, __LINE__);   \
-} while(0)
-
-#define validate_process_creds()                               \
-do {                                                           \
-       __validate_process_creds(current, __FILE__, __LINE__);  \
-} while(0)
-
-extern void validate_creds_for_do_exit(struct task_struct *);
-#else
-static inline void validate_creds(const struct cred *cred)
-{
-}
-static inline void validate_creds_for_do_exit(struct task_struct *tsk)
-{
-}
-static inline void validate_process_creds(void)
-{
-}
-#endif
-
 static inline bool cap_ambient_invariant_ok(const struct cred *cred)
 {
        return cap_issubset(cred->cap_ambient,
@@ -264,7 +217,6 @@ static inline const struct cred *get_cred_many(const struct cred *cred, int nr)
        struct cred *nonconst_cred = (struct cred *) cred;
        if (!cred)
                return cred;
-       validate_creds(cred);
        nonconst_cred->non_rcu = 0;
        return get_new_cred_many(nonconst_cred, nr);
 }
@@ -290,7 +242,6 @@ static inline const struct cred *get_cred_rcu(const struct cred *cred)
                return NULL;
        if (!atomic_long_inc_not_zero(&nonconst_cred->usage))
                return NULL;
-       validate_creds(cred);
        nonconst_cred->non_rcu = 0;
        return cred;
 }
@@ -312,7 +263,6 @@ static inline void put_cred_many(const struct cred *_cred, int nr)
        struct cred *cred = (struct cred *) _cred;
 
        if (cred) {
-               validate_creds(cred);
                if (atomic_long_sub_and_test(nr, &cred->usage))
                        __put_cred(cred);
        }