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authorEric W. Biederman <ebiederm@xmission.com>2012-02-07 16:27:53 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-09-21 03:13:32 -0700
commit0e1a43c71612cd0b6b50da03040c85fbf3d24211 (patch)
tree3287a4782caa59dbcb6e922835d056724759b9ff /fs/hpfs/inode.c
parent2f2f43d3c7b1da8dba56716dd1be196b6f57bf9b (diff)
userns: Convert hpfs to use kuid and kgid where appropriate
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/hpfs/inode.c')
-rw-r--r--fs/hpfs/inode.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index ed671e0ea78..804a9a842cb 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -7,6 +7,7 @@
*/
#include <linux/slab.h>
+#include <linux/user_namespace.h>
#include "hpfs_fn.h"
void hpfs_init_inode(struct inode *i)
@@ -60,14 +61,14 @@ void hpfs_read_inode(struct inode *i)
if (hpfs_sb(i->i_sb)->sb_eas) {
if ((ea = hpfs_get_ea(i->i_sb, fnode, "UID", &ea_size))) {
if (ea_size == 2) {
- i->i_uid = le16_to_cpu(*(__le16*)ea);
+ i_uid_write(i, le16_to_cpu(*(__le16*)ea));
hpfs_inode->i_ea_uid = 1;
}
kfree(ea);
}
if ((ea = hpfs_get_ea(i->i_sb, fnode, "GID", &ea_size))) {
if (ea_size == 2) {
- i->i_gid = le16_to_cpu(*(__le16*)ea);
+ i_gid_write(i, le16_to_cpu(*(__le16*)ea));
hpfs_inode->i_ea_gid = 1;
}
kfree(ea);
@@ -149,13 +150,13 @@ static void hpfs_write_inode_ea(struct inode *i, struct fnode *fnode)
hpfs_error(i->i_sb, "fnode %08x has some unknown HPFS386 stuctures", i->i_ino);
} else*/ if (hpfs_sb(i->i_sb)->sb_eas >= 2) {
__le32 ea;
- if ((i->i_uid != hpfs_sb(i->i_sb)->sb_uid) || hpfs_inode->i_ea_uid) {
- ea = cpu_to_le32(i->i_uid);
+ if (!uid_eq(i->i_uid, hpfs_sb(i->i_sb)->sb_uid) || hpfs_inode->i_ea_uid) {
+ ea = cpu_to_le32(i_uid_read(i));
hpfs_set_ea(i, fnode, "UID", (char*)&ea, 2);
hpfs_inode->i_ea_uid = 1;
}
- if ((i->i_gid != hpfs_sb(i->i_sb)->sb_gid) || hpfs_inode->i_ea_gid) {
- ea = cpu_to_le32(i->i_gid);
+ if (!gid_eq(i->i_gid, hpfs_sb(i->i_sb)->sb_gid) || hpfs_inode->i_ea_gid) {
+ ea = cpu_to_le32(i_gid_read(i));
hpfs_set_ea(i, fnode, "GID", (char *)&ea, 2);
hpfs_inode->i_ea_gid = 1;
}
@@ -261,9 +262,11 @@ int hpfs_setattr(struct dentry *dentry, struct iattr *attr)
hpfs_lock(inode->i_sb);
if (inode->i_ino == hpfs_sb(inode->i_sb)->sb_root)
goto out_unlock;
- if ((attr->ia_valid & ATTR_UID) && attr->ia_uid >= 0x10000)
+ if ((attr->ia_valid & ATTR_UID) &&
+ from_kuid(&init_user_ns, attr->ia_uid) >= 0x10000)
goto out_unlock;
- if ((attr->ia_valid & ATTR_GID) && attr->ia_gid >= 0x10000)
+ if ((attr->ia_valid & ATTR_GID) &&
+ from_kgid(&init_user_ns, attr->ia_gid) >= 0x10000)
goto out_unlock;
if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size)
goto out_unlock;