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Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git]
/
fs
/
ext2
/
ioctl.c
diff --git
a/fs/ext2/ioctl.c
b/fs/ext2/ioctl.c
index
101055b
..
6ef1d95
100644
(file)
--- a/
fs/ext2/ioctl.c
+++ b/
fs/ext2/ioctl.c
@@
-8,8
+8,10
@@
*/
#include "ext2.h"
*/
#include "ext2.h"
+#include <linux/capability.h>
#include <linux/time.h>
#include <linux/sched.h>
#include <linux/time.h>
#include <linux/sched.h>
+#include <linux/mount.h>
#include <asm/current.h>
#include <asm/uaccess.h>
#include <asm/current.h>
#include <asm/uaccess.h>
@@
-25,17
+27,18
@@
int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
switch (cmd) {
case EXT2_IOC_GETFLAGS:
flags = ei->i_flags & EXT2_FL_USER_VISIBLE;
switch (cmd) {
case EXT2_IOC_GETFLAGS:
flags = ei->i_flags & EXT2_FL_USER_VISIBLE;
- return put_user(flags, (int *) arg);
+ return put_user(flags, (int
__user
*) arg);
case EXT2_IOC_SETFLAGS: {
unsigned int oldflags;
case EXT2_IOC_SETFLAGS: {
unsigned int oldflags;
- if (IS_RDONLY(inode))
+ if (IS_RDONLY(inode) ||
+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt)))
return -EROFS;
if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
return -EACCES;
return -EROFS;
if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
return -EACCES;
- if (get_user(flags, (int *) arg))
+ if (get_user(flags, (int
__user
*) arg))
return -EFAULT;
if (!S_ISDIR(inode->i_mode))
return -EFAULT;
if (!S_ISDIR(inode->i_mode))
@@
-49,7
+52,9
@@
int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
*
* This test looks nicer. Thanks to Pauline Middelink
*/
*
* This test looks nicer. Thanks to Pauline Middelink
*/
- if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
+ if ((oldflags & EXT2_IMMUTABLE_FL) ||
+ ((flags ^ oldflags) & (EXT2_APPEND_FL |
+ EXT2_IMMUTABLE_FL | EXT2_IUNLINK_FL))) {
if (!capable(CAP_LINUX_IMMUTABLE))
return -EPERM;
}
if (!capable(CAP_LINUX_IMMUTABLE))
return -EPERM;
}
@@
-59,20
+64,21
@@
int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
ei->i_flags = flags;
ext2_set_inode_flags(inode);
ei->i_flags = flags;
ext2_set_inode_flags(inode);
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = CURRENT_TIME
_SEC
;
mark_inode_dirty(inode);
return 0;
}
case EXT2_IOC_GETVERSION:
mark_inode_dirty(inode);
return 0;
}
case EXT2_IOC_GETVERSION:
- return put_user(inode->i_generation, (int *) arg);
+ return put_user(inode->i_generation, (int
__user
*) arg);
case EXT2_IOC_SETVERSION:
if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
return -EPERM;
case EXT2_IOC_SETVERSION:
if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
return -EPERM;
- if (IS_RDONLY(inode))
+ if (IS_RDONLY(inode) ||
+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt)))
return -EROFS;
return -EROFS;
- if (get_user(inode->i_generation, (int *) arg))
+ if (get_user(inode->i_generation, (int
__user
*) arg))
return -EFAULT;
return -EFAULT;
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = CURRENT_TIME
_SEC
;
mark_inode_dirty(inode);
return 0;
default:
mark_inode_dirty(inode);
return 0;
default: