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-rw-r--r--fs/gfs2/file.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index e6dd2ae..b20bfcc 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -218,6 +218,11 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
if (error)
goto out_drop_write;
+ error = -EACCES;
+ if (!is_owner_or_cap(inode))
+ goto out;
+
+ error = 0;
flags = ip->i_diskflags;
new_flags = (flags & ~mask) | (reqflags & mask);
if ((new_flags ^ flags) == 0)
@@ -275,8 +280,10 @@ static int gfs2_set_flags(struct file *filp, u32 __user *ptr)
{
struct inode *inode = filp->f_path.dentry->d_inode;
u32 fsflags, gfsflags;
+
if (get_user(fsflags, ptr))
return -EFAULT;
+
gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags);
if (!S_ISDIR(inode->i_mode)) {
if (gfsflags & GFS2_DIF_INHERIT_JDATA)
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