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authorChristoph Hellwig <hch@lst.de>2010-06-04 13:30:03 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-10 00:47:38 +0400
commitdb78b877f7744bec4a9d9f9e7d10da3931d7cd39 (patch)
treefd9ee2fbe0998218b6d90322f85b285887e6fe9d /fs/fat/file.c
parent1025774ce411f2bd4b059ad7b53f0003569b74fa (diff)
downloadlinux-db78b877f7744bec4a9d9f9e7d10da3931d7cd39.tar.xz
always call inode_change_ok early in ->setattr
Make sure we call inode_change_ok before doing any changes in ->setattr, and make sure to call it even if our fs wants to ignore normal UNIX permissions, but use the ATTR_FORCE to skip those. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fat/file.c')
-rw-r--r--fs/fat/file.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 20813d2c7d61..b2eedcee7516 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -387,21 +387,6 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
unsigned int ia_valid;
int error;
- /*
- * Expand the file. Since inode_setattr() updates ->i_size
- * before calling the ->truncate(), but FAT needs to fill the
- * hole before it. XXX: this is no longer true with new truncate
- * sequence.
- */
- if (attr->ia_valid & ATTR_SIZE) {
- if (attr->ia_size > inode->i_size) {
- error = fat_cont_expand(inode, attr->ia_size);
- if (error || attr->ia_valid == ATTR_SIZE)
- goto out;
- attr->ia_valid &= ~ATTR_SIZE;
- }
- }
-
/* Check for setting the inode time. */
ia_valid = attr->ia_valid;
if (ia_valid & TIMES_SET_FLAGS) {
@@ -417,6 +402,21 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
goto out;
}
+ /*
+ * Expand the file. Since inode_setattr() updates ->i_size
+ * before calling the ->truncate(), but FAT needs to fill the
+ * hole before it. XXX: this is no longer true with new truncate
+ * sequence.
+ */
+ if (attr->ia_valid & ATTR_SIZE) {
+ if (attr->ia_size > inode->i_size) {
+ error = fat_cont_expand(inode, attr->ia_size);
+ if (error || attr->ia_valid == ATTR_SIZE)
+ goto out;
+ attr->ia_valid &= ~ATTR_SIZE;
+ }
+ }
+
if (((attr->ia_valid & ATTR_UID) &&
(attr->ia_uid != sbi->options.fs_uid)) ||
((attr->ia_valid & ATTR_GID) &&