[Ocfs2-devel] [PATCH 0/4] Add online resize support for ocfs2,
take 4
Mark Fasheh
mark.fasheh at oracle.com
Tue Dec 18 19:06:48 PST 2007
On Tue, Dec 18, 2007 at 03:35:22PM +0800, tao.ma wrote:
> Mark,
> Wish this patch series meets your need.
Ok, kernel patches are committed to ocfs2.git. I added this patch to the end
of the series, please check.
--Mark
--
Mark Fasheh
Principal Software Developer, Oracle
mark.fasheh at oracle.com
From: Mark Fasheh <mark.fasheh at oracle.com>
ocfs2: Add missing permission checks
Check that an online resize is being driven by a user with permission to
change system resource limits.
Signed-off-by: Mark Fasheh <mark.fasheh at oracle.com>
---
fs/ocfs2/ioctl.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index a4dda60..83b3e0f 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -144,12 +144,18 @@ int ocfs2_ioctl(struct inode * inode, struct file * filp,
return ocfs2_change_file_space(filp, cmd, &sr);
case OCFS2_IOC_GROUP_EXTEND:
+ if (!capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
if (get_user(new_clusters, (int __user *)arg))
return -EFAULT;
return ocfs2_group_extend(inode, new_clusters);
case OCFS2_IOC_GROUP_ADD:
case OCFS2_IOC_GROUP_ADD64:
+ if (!capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
if (copy_from_user(&input, (int __user *) arg, sizeof(input)))
return -EFAULT;
--
1.5.3.6
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