155 lines
4.2 KiB
Diff
155 lines
4.2 KiB
Diff
--- a/fs/yaffs2/yaffs_vfs.c
|
|
+++ b/fs/yaffs2/yaffs_vfs.c
|
|
@@ -329,6 +329,33 @@ static int yaffs_readpage(struct file *f
|
|
return ret;
|
|
}
|
|
|
|
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
|
|
+#define YCRED_FSUID() from_kuid(&init_user_ns, current_fsuid())
|
|
+#define YCRED_FSGID() from_kgid(&init_user_ns, current_fsgid())
|
|
+#else
|
|
+#define YCRED_FSUID() YCRED(current)->fsuid
|
|
+#define YCRED_FSGID() YCRED(current)->fsgid
|
|
+
|
|
+static inline uid_t i_uid_read(const struct inode *inode)
|
|
+{
|
|
+ return inode->i_uid;
|
|
+}
|
|
+
|
|
+static inline gid_t i_gid_read(const struct inode *inode)
|
|
+{
|
|
+ return inode->i_gid;
|
|
+}
|
|
+
|
|
+static inline void i_uid_write(struct inode *inode, uid_t uid)
|
|
+{
|
|
+ inode->i_uid = uid;
|
|
+}
|
|
+
|
|
+static inline void i_gid_write(struct inode *inode, gid_t gid)
|
|
+{
|
|
+ inode->i_gid = gid;
|
|
+}
|
|
+#endif
|
|
|
|
static void yaffs_set_super_dirty_val(struct yaffs_dev *dev, int val)
|
|
{
|
|
@@ -1225,9 +1252,9 @@ static int yaffs_mknod(struct inode *dir
|
|
struct yaffs_obj *parent = yaffs_inode_to_obj(dir);
|
|
|
|
int error = -ENOSPC;
|
|
- uid_t uid = YCRED(current)->fsuid;
|
|
+ uid_t uid = YCRED_FSUID();
|
|
gid_t gid =
|
|
- (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
|
|
+ (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
|
|
|
|
if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
|
|
mode |= S_ISGID;
|
|
@@ -1424,9 +1451,9 @@ static int yaffs_symlink(struct inode *d
|
|
{
|
|
struct yaffs_obj *obj;
|
|
struct yaffs_dev *dev;
|
|
- uid_t uid = YCRED(current)->fsuid;
|
|
+ uid_t uid = YCRED_FSUID();
|
|
gid_t gid =
|
|
- (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
|
|
+ (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
|
|
|
|
yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink");
|
|
|
|
@@ -1829,8 +1856,8 @@ static void yaffs_fill_inode_from_obj(st
|
|
|
|
inode->i_ino = obj->obj_id;
|
|
inode->i_mode = obj->yst_mode;
|
|
- inode->i_uid = obj->yst_uid;
|
|
- inode->i_gid = obj->yst_gid;
|
|
+ i_uid_write(inode, obj->yst_uid);
|
|
+ i_gid_write(inode, obj->yst_gid);
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
|
|
inode->i_blksize = inode->i_sb->s_blocksize;
|
|
#endif
|
|
@@ -1856,7 +1883,7 @@ static void yaffs_fill_inode_from_obj(st
|
|
|
|
yaffs_trace(YAFFS_TRACE_OS,
|
|
"yaffs_fill_inode mode %x uid %d gid %d size %lld count %d",
|
|
- inode->i_mode, inode->i_uid, inode->i_gid,
|
|
+ inode->i_mode, i_uid_read(inode), i_gid_read(inode),
|
|
inode->i_size, atomic_read(&inode->i_count));
|
|
|
|
switch (obj->yst_mode & S_IFMT) {
|
|
--- a/fs/yaffs2/yaffs_attribs.c
|
|
+++ b/fs/yaffs2/yaffs_attribs.c
|
|
@@ -14,6 +14,48 @@
|
|
#include "yaffs_guts.h"
|
|
#include "yaffs_attribs.h"
|
|
|
|
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
|
|
+static inline uid_t ia_uid_read(const struct iattr *iattr)
|
|
+{
|
|
+ return from_kuid(&init_user_ns, iattr->ia_uid);
|
|
+}
|
|
+
|
|
+static inline gid_t ia_gid_read(const struct iattr *iattr)
|
|
+{
|
|
+ return from_kgid(&init_user_ns, iattr->ia_gid);
|
|
+}
|
|
+
|
|
+static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
|
|
+{
|
|
+ iattr->ia_uid = make_kuid(&init_user_ns, uid);
|
|
+}
|
|
+
|
|
+static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
|
|
+{
|
|
+ iattr->ia_gid = make_kgid(&init_user_ns, gid);
|
|
+}
|
|
+#else
|
|
+static inline uid_t ia_uid_read(const struct iattr *iattr)
|
|
+{
|
|
+ return iattr->ia_uid;
|
|
+}
|
|
+
|
|
+static inline gid_t ia_gid_read(const struct iattr *inode)
|
|
+{
|
|
+ return iattr->ia_gid;
|
|
+}
|
|
+
|
|
+static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
|
|
+{
|
|
+ iattr->ia_uid = uid;
|
|
+}
|
|
+
|
|
+static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
|
|
+{
|
|
+ iattr->ia_gid = gid;
|
|
+}
|
|
+#endif
|
|
+
|
|
void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
|
|
{
|
|
obj->yst_uid = oh->yst_uid;
|
|
@@ -77,9 +119,9 @@ int yaffs_set_attribs(struct yaffs_obj *
|
|
if (valid & ATTR_MODE)
|
|
obj->yst_mode = attr->ia_mode;
|
|
if (valid & ATTR_UID)
|
|
- obj->yst_uid = attr->ia_uid;
|
|
+ obj->yst_uid = ia_uid_read(attr);
|
|
if (valid & ATTR_GID)
|
|
- obj->yst_gid = attr->ia_gid;
|
|
+ obj->yst_gid = ia_gid_read(attr);
|
|
|
|
if (valid & ATTR_ATIME)
|
|
obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime);
|
|
@@ -103,9 +145,9 @@ int yaffs_get_attribs(struct yaffs_obj *
|
|
|
|
attr->ia_mode = obj->yst_mode;
|
|
valid |= ATTR_MODE;
|
|
- attr->ia_uid = obj->yst_uid;
|
|
+ ia_uid_write(attr, obj->yst_uid);
|
|
valid |= ATTR_UID;
|
|
- attr->ia_gid = obj->yst_gid;
|
|
+ ia_gid_write(attr, obj->yst_gid);
|
|
valid |= ATTR_GID;
|
|
|
|
Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime;
|