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xattr: Constify ->name member of "struct xattr".

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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>
This commit is contained in:
Tetsuo Handa
2013-07-25 05:44:02 +09:00
committed by James Morris
parent be0306bcc3
commit 9548906b2b
9 changed files with 21 additions and 31 deletions
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8
include/linux/security.h
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@@ -1492,7 +1492,7 @@ struct security_operations {
int (*inode_alloc_security) (struct inode *inode);
void (*inode_free_security) (struct inode *inode);
int (*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);
int (*inode_create) (struct inode *dir,
struct dentry *dentry, umode_t mode);
@@ -1770,7 +1770,7 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr,
initxattrs initxattrs, void *fs_data);
int security_old_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);
int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
int security_inode_link(struct dentry *old_dentry, struct inode *dir,
@@ -2094,8 +2094,8 @@ static inline int security_inode_init_security(struct inode *inode,
static inline int security_old_inode_init_security(struct inode *inode,
struct inode *dir,
const struct qstr *qstr,
char **name, void **value,
size_t *len)
const char **name,
void **value, size_t *len)
{
return -EOPNOTSUPP;
}