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authorNick Piggin <npiggin@suse.de>2010-05-31 11:58:02 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-06-05 00:27:53 +0400
commit75de46b98dda624397ccb17c106e51f478a79c15 (patch)
tree8c4cf43eb8f840e84a48d387928673bcccd03d66 /fs/configfs/inode.c
parent743db2d903bc4e963a31496328d847d69f75047c (diff)
downloadlinux-75de46b98dda624397ccb17c106e51f478a79c15.tar.xz
fix setattr error handling in sysfs, configfs
sysfs and configfs setattr functions have error cases after the generic inode's attributes have been changed. Fix consistency by changing the generic inode attributes only when it is guaranteed to succeed. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/configfs/inode.c')
-rw-r--r--fs/configfs/inode.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 41645142b88b..cf78d44a8d6a 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -72,10 +72,6 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
if (!sd)
return -EINVAL;
- error = simple_setattr(dentry, iattr);
- if (error)
- return error;
-
sd_iattr = sd->s_iattr;
if (!sd_iattr) {
/* setting attributes for the first time, allocate now */
@@ -89,9 +85,12 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
sd_iattr->ia_atime = sd_iattr->ia_mtime = sd_iattr->ia_ctime = CURRENT_TIME;
sd->s_iattr = sd_iattr;
}
-
/* attributes were changed atleast once in past */
+ error = simple_setattr(dentry, iattr);
+ if (error)
+ return error;
+
if (ia_valid & ATTR_UID)
sd_iattr->ia_uid = iattr->ia_uid;
if (ia_valid & ATTR_GID)