ecryptfs: pass matching flags to interpose as defined and used there

[safe/jmp/linux-2.6] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index 3aa4883..00d90c2 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -38,8 +38,6 @@
 #include <linux/dirent.h>
 #include <linux/fsnotify.h>
 #include <linux/highuid.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/syscall.h>
 #include <linux/personality.h>
 #include <linux/rwsem.h>
@@ -768,13 +766,13 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
                                 char __user * type, unsigned long flags,
                                 void __user * data)
 {
-       unsigned long type_page;
+       char *kernel_type;
        unsigned long data_page;
-       unsigned long dev_page;
+       char *kernel_dev;
        char *dir_page;
        int retval;
 
-       retval = copy_mount_options (type, &type_page);
+       retval = copy_mount_string(type, &kernel_type);
        if (retval < 0)
                goto out;
 
@@ -783,38 +781,38 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
        if (IS_ERR(dir_page))
                goto out1;
 
-       retval = copy_mount_options (dev_name, &dev_page);
+       retval = copy_mount_string(dev_name, &kernel_dev);
        if (retval < 0)
                goto out2;
 
-       retval = copy_mount_options (data, &data_page);
+       retval = copy_mount_options(data, &data_page);
        if (retval < 0)
                goto out3;
 
        retval = -EINVAL;
 
-       if (type_page && data_page) {
-               if (!strcmp((char *)type_page, SMBFS_NAME)) {
+       if (kernel_type && data_page) {
+               if (!strcmp(kernel_type, SMBFS_NAME)) {
                        do_smb_super_data_conv((void *)data_page);
-               } else if (!strcmp((char *)type_page, NCPFS_NAME)) {
+               } else if (!strcmp(kernel_type, NCPFS_NAME)) {
                        do_ncp_super_data_conv((void *)data_page);
-               } else if (!strcmp((char *)type_page, NFS4_NAME)) {
+               } else if (!strcmp(kernel_type, NFS4_NAME)) {
                        if (do_nfs4_super_data_conv((void *) data_page))
                                goto out4;
                }
        }
 
-       retval = do_mount((char*)dev_page, dir_page, (char*)type_page,
+       retval = do_mount(kernel_dev, dir_page, kernel_type,
                        flags, (void*)data_page);
 
  out4:
        free_page(data_page);
  out3:
-       free_page(dev_page);
+       kfree(kernel_dev);
  out2:
        putname(dir_page);
  out1:
-       free_page(type_page);
+       kfree(kernel_type);
  out:
        return retval;
 }
@@ -1532,6 +1530,8 @@ int compat_do_execve(char * filename,
        if (retval < 0)
                goto out;
 
+       current->stack_start = current->mm->start_stack;
+
        /* execve succeeded */
        current->fs->in_exec = 0;
        current->in_execve = 0;