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cred: remove unused set_security_override_from_ctx()

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The function set_security_override_from_ctx() has no in-tree callers
since 6.14. Remove it.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
[PM: subject tweak, merge fuzz]
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Casey Schaufler
2025-12-22 13:01:48 -08:00
committed by Paul Moore
parent 2d38a4e3e2
commit 5547598e59
2 changed files with 0 additions and 24 deletions
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1
include/linux/cred.h
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@@ -164,7 +164,6 @@ static inline const struct cred *kernel_cred(void)
return rcu_dereference_raw(init_task.cred); return rcu_dereference_raw(init_task.cred);
} }
extern int set_security_override(struct cred *, u32); extern int set_security_override(struct cred *, u32);
extern int set_security_override_from_ctx(struct cred *, const char *);
extern int set_create_files_as(struct cred *, struct inode *); extern int set_create_files_as(struct cred *, struct inode *);
extern int cred_fscmp(const struct cred *, const struct cred *); extern int cred_fscmp(const struct cred *, const struct cred *);
extern void __init cred_init(void); extern void __init cred_init(void);

23
kernel/cred.c
View File

@@ -620,29 +620,6 @@ int set_security_override(struct cred *new, u32 secid)
} }
EXPORT_SYMBOL(set_security_override); EXPORT_SYMBOL(set_security_override);
/**
* set_security_override_from_ctx - Set the security ID in a set of credentials
* @new: The credentials to alter
* @secctx: The LSM security context to generate the security ID from.
*
* Set the LSM security ID in a set of credentials so that the subjective
* security is overridden when an alternative set of credentials is used. The
* security ID is specified in string form as a security context to be
* interpreted by the LSM.
*/
int set_security_override_from_ctx(struct cred *new, const char *secctx)
{
u32 secid;
int ret;
ret = security_secctx_to_secid(secctx, strlen(secctx), &secid);
if (ret < 0)
return ret;
return set_security_override(new, secid);
}
EXPORT_SYMBOL(set_security_override_from_ctx);
/** /**
* set_create_files_as - Set the LSM file create context in a set of credentials * set_create_files_as - Set the LSM file create context in a set of credentials
* @new: The credentials to alter * @new: The credentials to alter