xattr: Constify ->name member of "struct xattr".
Since everybody sets kstrdup()ed constant string to "struct xattr"->name but
nobody modifies "struct xattr"->name , we can omit kstrdup() and its failure
checking by constifying ->name member of "struct xattr".
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Joel Becker <jlbec@evilplan.org> [ocfs2]
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Reviewed-by: Paul Moore <paul@paul-moore.com>
Tested-by: Paul Moore <paul@paul-moore.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index c956390..a5091ec 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2587,7 +2587,8 @@
}
static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
- const struct qstr *qstr, char **name,
+ const struct qstr *qstr,
+ const char **name,
void **value, size_t *len)
{
const struct task_security_struct *tsec = current_security();
@@ -2595,7 +2596,7 @@
struct superblock_security_struct *sbsec;
u32 sid, newsid, clen;
int rc;
- char *namep = NULL, *context;
+ char *context;
dsec = dir->i_security;
sbsec = dir->i_sb->s_security;
@@ -2631,19 +2632,13 @@
if (!ss_initialized || !(sbsec->flags & SE_SBLABELSUPP))
return -EOPNOTSUPP;
- if (name) {
- namep = kstrdup(XATTR_SELINUX_SUFFIX, GFP_NOFS);
- if (!namep)
- return -ENOMEM;
- *name = namep;
- }
+ if (name)
+ *name = XATTR_SELINUX_SUFFIX;
if (value && len) {
rc = security_sid_to_context_force(newsid, &context, &clen);
- if (rc) {
- kfree(namep);
+ if (rc)
return rc;
- }
*value = context;
*len = clen;
}