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 / jfs / ioctl.c

diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index 67b3774..a0020c3 100644 (file)
--- a/fs/jfs/ioctl.c
+++ b/fs/jfs/ioctl.c
@@ -10,6 +10,7 @@
 #include <linux/ctype.h>
 #include <linux/capability.h>
 #include <linux/time.h>
+#include <linux/mount.h>
 #include <asm/current.h>
 #include <asm/uaccess.h>
 
@@ -65,7 +66,8 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd,
        case JFS_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))
@@ -85,8 +87,8 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd,
                 * the relevant capability.
                 */
                if ((oldflags & JFS_IMMUTABLE_FL) ||
-                       ((flags ^ oldflags) &
-                       (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
+                       ((flags ^ oldflags) & (JFS_APPEND_FL |
+                       JFS_IMMUTABLE_FL | JFS_IUNLINK_FL))) {
                        if (!capable(CAP_LINUX_IMMUTABLE))
                                return -EPERM;
                }