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authorDavid S. Miller <davem@davemloft.net>2009-05-18 21:08:20 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-18 21:08:20 -0700
commitbb803cfbecb03a0cf8dc7e1864f18dda6631af00 (patch)
tree6c0989693bea6f50cfa5c6bb14f52ec19668def3 /security/smack/smack_lsm.c
parent3878fb6fdbceecca20b15748f807340854220f06 (diff)
parent511e11e396dc596825ce04d53d7f6d579404bc01 (diff)
downloadlinux-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.tar.gz
linux-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/scsi/fcoe/fcoe.c
Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r--security/smack/smack_lsm.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 921514902eca..98b3195347ab 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -609,8 +609,12 @@ static int smack_inode_setxattr(struct dentry *dentry, const char *name,
strcmp(name, XATTR_NAME_SMACKIPOUT) == 0) {
if (!capable(CAP_MAC_ADMIN))
rc = -EPERM;
- /* a label cannot be void and cannot begin with '-' */
- if (size == 0 || (size > 0 && ((char *)value)[0] == '-'))
+ /*
+ * check label validity here so import wont fail on
+ * post_setxattr
+ */
+ if (size == 0 || size >= SMK_LABELLEN ||
+ smk_import(value, size) == NULL)
rc = -EINVAL;
} else
rc = cap_inode_setxattr(dentry, name, value, size, flags);
@@ -644,9 +648,6 @@ static void smack_inode_post_setxattr(struct dentry *dentry, const char *name,
if (strcmp(name, XATTR_NAME_SMACK))
return;
- if (size >= SMK_LABELLEN)
- return;
-
isp = dentry->d_inode->i_security;
/*