diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 7ba4b0c16d6a..eff1d36c0687 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -135,13 +135,6 @@ static int parse_table(int __user *, int, void __user *, size_t __user *, void __user *, size_t, ctl_table *); #endif -static int proc_do_uts_string(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos); - -static int sysctl_uts_string(ctl_table *table, int __user *name, int nlen, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen); - #ifdef CONFIG_SYSVIPC static int sysctl_ipc_data(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, @@ -176,29 +169,6 @@ extern ctl_table inotify_table[]; int sysctl_legacy_va_layout; #endif - -static void *get_uts(ctl_table *table, int write) -{ - char *which = table->data; -#ifdef CONFIG_UTS_NS - struct uts_namespace *uts_ns = current->nsproxy->uts_ns; - which = (which - (char *)&init_uts_ns) + (char *)uts_ns; -#endif - if (!write) - down_read(&uts_sem); - else - down_write(&uts_sem); - return which; -} - -static void put_uts(ctl_table *table, int write, void *which) -{ - if (!write) - up_read(&uts_sem); - else - up_write(&uts_sem); -} - #ifdef CONFIG_SYSVIPC static void *get_ipc(ctl_table *table, int write) { @@ -278,51 +248,6 @@ static ctl_table root_table[] = { static ctl_table kern_table[] = { { - .ctl_name = KERN_OSTYPE, - .procname = "ostype", - .data = init_uts_ns.name.sysname, - .maxlen = sizeof(init_uts_ns.name.sysname), - .mode = 0444, - .proc_handler = &proc_do_uts_string, - .strategy = &sysctl_uts_string, - }, - { - .ctl_name = KERN_OSRELEASE, - .procname = "osrelease", - .data = init_uts_ns.name.release, - .maxlen = sizeof(init_uts_ns.name.release), - .mode = 0444, - .proc_handler = &proc_do_uts_string, - .strategy = &sysctl_uts_string, - }, - { - .ctl_name = KERN_VERSION, - .procname = "version", - .data = init_uts_ns.name.version, - .maxlen = sizeof(init_uts_ns.name.version), - .mode = 0444, - .proc_handler = &proc_do_uts_string, - .strategy = &sysctl_uts_string, - }, - { - .ctl_name = KERN_NODENAME, - .procname = "hostname", - .data = init_uts_ns.name.nodename, - .maxlen = sizeof(init_uts_ns.name.nodename), - .mode = 0644, - .proc_handler = &proc_do_uts_string, - .strategy = &sysctl_uts_string, - }, - { - .ctl_name = KERN_DOMAINNAME, - .procname = "domainname", - .data = init_uts_ns.name.domainname, - .maxlen = sizeof(init_uts_ns.name.domainname), - .mode = 0644, - .proc_handler = &proc_do_uts_string, - .strategy = &sysctl_uts_string, - }, - { .ctl_name = KERN_PANIC, .procname = "panic", .data = &panic_timeout, @@ -1759,21 +1684,6 @@ int proc_dostring(ctl_table *table, int write, struct file *filp, buffer, lenp, ppos); } -/* - * Special case of dostring for the UTS structure. This has locks - * to observe. Should this be in kernel/sys.c ???? - */ - -static int proc_do_uts_string(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - int r; - void *which; - which = get_uts(table, write); - r = _proc_do_string(which, table->maxlen,write,filp,buffer,lenp, ppos); - put_uts(table, write, which); - return r; -} static int do_proc_dointvec_conv(int *negp, unsigned long *lvalp, int *valp, @@ -2410,12 +2320,6 @@ int proc_dostring(ctl_table *table, int write, struct file *filp, return -ENOSYS; } -static int proc_do_uts_string(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - return -ENOSYS; -} - #ifdef CONFIG_SYSVIPC static int proc_do_ipc_string(ctl_table *table, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) @@ -2645,21 +2549,6 @@ int sysctl_ms_jiffies(ctl_table *table, int __user *name, int nlen, } -/* The generic string strategy routine: */ -static int sysctl_uts_string(ctl_table *table, int __user *name, int nlen, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen) -{ - struct ctl_table uts_table; - int r, write; - write = newval && newlen; - memcpy(&uts_table, table, sizeof(uts_table)); - uts_table.data = get_uts(table, write); - r = sysctl_string(&uts_table, name, nlen, - oldval, oldlenp, newval, newlen); - put_uts(table, write, uts_table.data); - return r; -} #ifdef CONFIG_SYSVIPC /* The generic sysctl ipc data routine. */ @@ -2766,12 +2655,6 @@ int sysctl_ms_jiffies(ctl_table *table, int __user *name, int nlen, return -ENOSYS; } -static int sysctl_uts_string(ctl_table *table, int __user *name, int nlen, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen) -{ - return -ENOSYS; -} #ifdef CONFIG_SYSVIPC static int sysctl_ipc_data(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, |