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linux-kernel: [patch] vfs: make security_inode_setattr() calling

[patch] vfs: make security_inode_setattr() calling consistent

From: Miklos Szeredi <miklos_at_nospam>
Date: Wed Jul 30 2008 - 12:06:22 GMT
To: viro@ZenIV.linux.org.uk


From: Miklos Szeredi <mszeredi@suse.cz>

Call security_inode_setattr() consistetly before inode_change_ok(). It doesn't make sense to try to "optimize" the i_op->setattr == NULL case, as most filesystem do define their own setattr function.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> --- fs/attr.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) Index: linux-2.6/fs/attr.c =================================================================== --- linux-2.6.orig/fs/attr.c 2008-07-30 13:52:35.000000000 +0200
+++ linux-2.6/fs/attr.c 2008-07-30 13:52:41.000000000 +0200
@@ -159,17 +159,17 @@ int notify_change(struct dentry * dentry if (!(attr->ia_valid & ~(ATTR_KILL_SUID | ATTR_KILL_SGID))) return 0;
+ error = security_inode_setattr(dentry, attr);
+ if (error)
+ return error;
+
if (ia_valid & ATTR_SIZE) down_write(&dentry->d_inode->i_alloc_sem); if (inode->i_op && inode->i_op->setattr) { - error = security_inode_setattr(dentry, attr); - if (!error) - error = inode->i_op->setattr(dentry, attr);
+ error = inode->i_op->setattr(dentry, attr);
} else { error = inode_change_ok(inode, attr); - if (!error) - error = security_inode_setattr(dentry, attr); if (!error) { if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html