cgroup: relocate cgroup_lock_live_group() and cgroup_attach_task_all()

[deliverable/linux.git] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index 2e18d33ca775dc9c5219e9b3a47a6e67f3877d28..81f56445fba949790b34b7bf3f97383555134672 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1794,14 +1794,14 @@ SYSCALL_DEFINE1(umask, int, mask)
 static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
 {
        struct fd exe;
-       struct dentry *dentry;
+       struct inode *inode;
        int err;
 
        exe = fdget(fd);
        if (!exe.file)
                return -EBADF;
 
-       dentry = exe.file->f_path.dentry;
+       inode = file_inode(exe.file);
 
        /*
         * Because the original mm->exe_file points to executable file, make
@@ -1809,11 +1809,11 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
         * overall picture.
         */
        err = -EACCES;
-       if (!S_ISREG(dentry->d_inode->i_mode)   ||
+       if (!S_ISREG(inode->i_mode)     ||
            exe.file->f_path.mnt->mnt_flags & MNT_NOEXEC)
                goto exit;
 
-       err = inode_permission(dentry->d_inode, MAY_EXEC);
+       err = inode_permission(inode, MAY_EXEC);
        if (err)
                goto exit;
 
@@ -2185,11 +2185,6 @@ SYSCALL_DEFINE3(getcpu, unsigned __user *, cpup, unsigned __user *, nodep,
 
 char poweroff_cmd[POWEROFF_CMD_PATH_LEN] = "/sbin/poweroff";
 
-static void argv_cleanup(struct subprocess_info *info)
-{
-       argv_free(info->argv);
-}
-
 static int __orderly_poweroff(void)
 {
        int argc;
@@ -2209,9 +2204,8 @@ static int __orderly_poweroff(void)
        }
 
        ret = call_usermodehelper_fns(argv[0], argv, envp, UMH_WAIT_EXEC,
-                                     NULL, argv_cleanup, NULL);
-       if (ret == -ENOMEM)
-               argv_free(argv);
+                                     NULL, NULL, NULL);
+       argv_free(argv);
 
        return ret;
 }