Update to 3.4-rc2.

[linux-flexiantxendom0-3.2.10.git] / kernel / sysctl_binary.c

diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index b875bed..8829f33 100644 (file)
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1,6 +1,6 @@
 #include <linux/stat.h>
 #include <linux/sysctl.h>
-#include "../fs/xfs/linux-2.6/xfs_sysctl.h"
+#include "../fs/xfs/xfs_sysctl.h"
 #include <linux/sunrpc/debug.h>
 #include <linux/string.h>
 #include <net/ip_vs.h>
@@ -137,6 +137,7 @@ static const struct bin_table bin_kern_table[] = {
        { CTL_INT,      KERN_COMPAT_LOG,                "compat-log" },
        { CTL_INT,      KERN_MAX_LOCK_DEPTH,            "max_lock_depth" },
        { CTL_INT,      KERN_PANIC_ON_NMI,              "panic_on_unrecovered_nmi" },
+       { CTL_INT,      KERN_SETUID_DUMPABLE,           "suid_dumpable" },
        {}
 };
 
@@ -214,7 +215,7 @@ static const struct bin_table bin_net_ipv4_route_table[] = {
        { CTL_INT,      NET_IPV4_ROUTE_GC_MIN_INTERVAL,         "gc_min_interval" },
        { CTL_INT,      NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,      "gc_min_interval_ms" },
        { CTL_INT,      NET_IPV4_ROUTE_GC_TIMEOUT,              "gc_timeout" },
-       { CTL_INT,      NET_IPV4_ROUTE_GC_INTERVAL,             "gc_interval" },
+       /* NET_IPV4_ROUTE_GC_INTERVAL "gc_interval" no longer used */
        { CTL_INT,      NET_IPV4_ROUTE_REDIRECT_LOAD,           "redirect_load" },
        { CTL_INT,      NET_IPV4_ROUTE_REDIRECT_NUMBER,         "redirect_number" },
        { CTL_INT,      NET_IPV4_ROUTE_REDIRECT_SILENCE,        "redirect_silence" },
@@ -1321,13 +1322,11 @@ static ssize_t binary_sysctl(const int *name, int nlen,
        void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
        const struct bin_table *table = NULL;
-       struct nameidata nd;
        struct vfsmount *mnt;
        struct file *file;
        ssize_t result;
        char *pathname;
        int flags;
-       int acc_mode;
 
        pathname = sysctl_getname(name, nlen, &table);
        result = PTR_ERR(pathname);
@@ -1337,28 +1336,17 @@ static ssize_t binary_sysctl(const int *name, int nlen,
        /* How should the sysctl be accessed? */
        if (oldval && oldlen && newval && newlen) {
                flags = O_RDWR;
-               acc_mode = MAY_READ | MAY_WRITE;
        } else if (newval && newlen) {
                flags = O_WRONLY;
-               acc_mode = MAY_WRITE;
        } else if (oldval && oldlen) {
                flags = O_RDONLY;
-               acc_mode = MAY_READ;
        } else {
                result = 0;
                goto out_putname;
        }
 
        mnt = current->nsproxy->pid_ns->proc_mnt;
-       result = vfs_path_lookup(mnt->mnt_root, mnt, pathname, 0, &nd);
-       if (result)
-               goto out_putname;
-
-       result = may_open(&nd.path, acc_mode, flags);
-       if (result)
-               goto out_putpath;
-
-       file = dentry_open(nd.path.dentry, nd.path.mnt, flags, current_cred());
+       file = file_open_root(mnt->mnt_root, mnt, pathname, flags);
        result = PTR_ERR(file);
        if (IS_ERR(file))
                goto out_putname;
@@ -1367,13 +1355,9 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 
        fput(file);
 out_putname:
-       putname(pathname);
+       __putname(pathname);
 out:
        return result;
-
-out_putpath:
-       path_put(&nd.path);
-       goto out_putname;
 }