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Date:   Thu, 14 Feb 2019 12:28:50 -0500
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Anders Roxell <anders.roxell@...aro.org>,
        dmitry.kasatkin@...il.com, jmorris@...ei.org, serge@...lyn.com,
        ard.biesheuvel@...aro.org, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de
Cc:     linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v3 1/2] ima: fix build error redeclaration of enumerator

On Wed, 2019-02-13 at 23:16 +0100, Anders Roxell wrote:
> Commit a893ea15d764 ("tpm: move tpm_chip definition to
> include/linux/tpm.h") introduced a build error when both ima and efi is
> enabled. What happens is that both headers (ima.h and efi.h) defines the
> same 'NONE' constant, and it broke when they started getting included
> from the same file.
> 
> In file included from ../security/integrity/ima/ima_fs.c:30:
> ../security/integrity/ima/ima.h:176:7: error: redeclaration of enumerator "NONE"
>   hook(NONE)   \
>        ^~~~
> ../security/integrity/ima/ima.h:188:34: note: in definition of macro "__ima_hook_enumify"
>  #define __ima_hook_enumify(ENUM) ENUM,
>                                   ^~~~
> ../security/integrity/ima/ima.h:191:2: note: in expansion of macro "__ima_hooks"
>   __ima_hooks(__ima_hook_enumify)
>   ^~~~~~~~~~~
> In file included from ../arch/arm64/include/asm/acpi.h:15,
>                  from ../include/acpi/acpi_io.h:7,
>                  from ../include/linux/acpi.h:47,
>                  from ../include/linux/tpm.h:26,
>                  from ../security/integrity/ima/ima.h:25,
>                  from ../security/integrity/ima/ima_fs.c:30:
> ../include/linux/efi.h:1723:2: note: previous definition of "NONE" was here
>   NONE,
>   ^~~~
> make[4]: *** [../scripts/Makefile.build:277: security/integrity/ima/ima_fs.o] Error 1
> 
> Rework to prefix the ima enum with 'IMA_*'.
> 
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>

Ok, this looks reasonable, but will have a minor clash with Gustavo's
"security: mark expected switch fall-throughs and add a missing
break".

James, are you picking up Gastavo's v2 patch from Friday?

Mimi

> ---
> 
> No change since v2.
> 
>  security/integrity/ima/ima.h          | 24 +++----
>  security/integrity/ima/ima_api.c      |  3 +-
>  security/integrity/ima/ima_appraise.c | 40 ++++++------
>  security/integrity/ima/ima_main.c     | 30 ++++-----
>  security/integrity/ima/ima_policy.c   | 92 +++++++++++++--------------
>  5 files changed, 95 insertions(+), 94 deletions(-)
> 
> diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
> index d213e835c498..89ceb61f279c 100644
> --- a/security/integrity/ima/ima.h
> +++ b/security/integrity/ima/ima.h
> @@ -173,18 +173,18 @@ static inline unsigned long ima_hash_key(u8 *digest)
>  }
>  
>  #define __ima_hooks(hook)		\
> -	hook(NONE)			\
> -	hook(FILE_CHECK)		\
> -	hook(MMAP_CHECK)		\
> -	hook(BPRM_CHECK)		\
> -	hook(CREDS_CHECK)		\
> -	hook(POST_SETATTR)		\
> -	hook(MODULE_CHECK)		\
> -	hook(FIRMWARE_CHECK)		\
> -	hook(KEXEC_KERNEL_CHECK)	\
> -	hook(KEXEC_INITRAMFS_CHECK)	\
> -	hook(POLICY_CHECK)		\
> -	hook(MAX_CHECK)
> +	hook(IMA_NONE)			\
> +	hook(IMA_FILE_CHECK)		\
> +	hook(IMA_MMAP_CHECK)		\
> +	hook(IMA_BPRM_CHECK)		\
> +	hook(IMA_CREDS_CHECK)		\
> +	hook(IMA_POST_SETATTR)		\
> +	hook(IMA_MODULE_CHECK)		\
> +	hook(IMA_FIRMWARE_CHECK)	\
> +	hook(IMA_KEXEC_KERNEL_CHECK)	\
> +	hook(IMA_KEXEC_INITRAMFS_CHECK)	\
> +	hook(IMA_POLICY_CHECK)		\
> +	hook(IMA_MAX_CHECK)
>  #define __ima_hook_enumify(ENUM)	ENUM,
>  
>  enum ima_hooks {
> diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
> index c7505fb122d4..81e705423894 100644
> --- a/security/integrity/ima/ima_api.c
> +++ b/security/integrity/ima/ima_api.c
> @@ -168,7 +168,8 @@ void ima_add_violation(struct file *file, const unsigned char *filename,
>   * The policy is defined in terms of keypairs:
>   *		subj=, obj=, type=, func=, mask=, fsmagic=
>   *	subj,obj, and type: are LSM specific.
> - *	func: FILE_CHECK | BPRM_CHECK | CREDS_CHECK | MMAP_CHECK | MODULE_CHECK
> + *	func: IMA_FILE_CHECK | IMA_BPRM_CHECK | IMA_CREDS_CHECK \
> + *	      | IMA_MMAP_CHECK | IMA_MODULE_CHECK
>   *	mask: contains the permission mask
>   *	fsmagic: hex value
>   *
> diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
> index a2baa85ea2f5..c527cf3f37d3 100644
> --- a/security/integrity/ima/ima_appraise.c
> +++ b/security/integrity/ima/ima_appraise.c
> @@ -86,16 +86,16 @@ enum integrity_status ima_get_cache_status(struct integrity_iint_cache *iint,
>  					   enum ima_hooks func)
>  {
>  	switch (func) {
> -	case MMAP_CHECK:
> +	case IMA_MMAP_CHECK:
>  		return iint->ima_mmap_status;
> -	case BPRM_CHECK:
> +	case IMA_BPRM_CHECK:
>  		return iint->ima_bprm_status;
> -	case CREDS_CHECK:
> +	case IMA_CREDS_CHECK:
>  		return iint->ima_creds_status;
> -	case FILE_CHECK:
> -	case POST_SETATTR:
> +	case IMA_FILE_CHECK:
> +	case IMA_POST_SETATTR:
>  		return iint->ima_file_status;
> -	case MODULE_CHECK ... MAX_CHECK - 1:
> +	case IMA_MODULE_CHECK ... IMA_MAX_CHECK - 1:
>  	default:
>  		return iint->ima_read_status;
>  	}
> @@ -106,19 +106,19 @@ static void ima_set_cache_status(struct integrity_iint_cache *iint,
>  				 enum integrity_status status)
>  {
>  	switch (func) {
> -	case MMAP_CHECK:
> +	case IMA_MMAP_CHECK:
>  		iint->ima_mmap_status = status;
>  		break;
> -	case BPRM_CHECK:
> +	case IMA_BPRM_CHECK:
>  		iint->ima_bprm_status = status;
>  		break;
> -	case CREDS_CHECK:
> +	case IMA_CREDS_CHECK:
>  		iint->ima_creds_status = status;
> -	case FILE_CHECK:
> -	case POST_SETATTR:
> +	case IMA_FILE_CHECK:
> +	case IMA_POST_SETATTR:
>  		iint->ima_file_status = status;
>  		break;
> -	case MODULE_CHECK ... MAX_CHECK - 1:
> +	case IMA_MODULE_CHECK ... IMA_MAX_CHECK - 1:
>  	default:
>  		iint->ima_read_status = status;
>  		break;
> @@ -129,20 +129,20 @@ static void ima_cache_flags(struct integrity_iint_cache *iint,
>  			     enum ima_hooks func)
>  {
>  	switch (func) {
> -	case MMAP_CHECK:
> +	case IMA_MMAP_CHECK:
>  		iint->flags |= (IMA_MMAP_APPRAISED | IMA_APPRAISED);
>  		break;
> -	case BPRM_CHECK:
> +	case IMA_BPRM_CHECK:
>  		iint->flags |= (IMA_BPRM_APPRAISED | IMA_APPRAISED);
>  		break;
> -	case CREDS_CHECK:
> +	case IMA_CREDS_CHECK:
>  		iint->flags |= (IMA_CREDS_APPRAISED | IMA_APPRAISED);
>  		break;
> -	case FILE_CHECK:
> -	case POST_SETATTR:
> +	case IMA_FILE_CHECK:
> +	case IMA_POST_SETATTR:
>  		iint->flags |= (IMA_FILE_APPRAISED | IMA_APPRAISED);
>  		break;
> -	case MODULE_CHECK ... MAX_CHECK - 1:
> +	case IMA_MODULE_CHECK ... IMA_MAX_CHECK - 1:
>  	default:
>  		iint->flags |= (IMA_READ_APPRAISED | IMA_APPRAISED);
>  		break;
> @@ -298,7 +298,7 @@ int ima_appraise_measurement(enum ima_hooks func,
>  			break;
>  		}
>  		if (IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING) && rc &&
> -		    func == KEXEC_KERNEL_CHECK)
> +		    func == IMA_KEXEC_KERNEL_CHECK)
>  			rc = integrity_digsig_verify(INTEGRITY_KEYRING_PLATFORM,
>  						     (const char *)xattr_value,
>  						     xattr_len,
> @@ -400,7 +400,7 @@ void ima_inode_post_setattr(struct dentry *dentry)
>  	    || !(inode->i_opflags & IOP_XATTR))
>  		return;
>  
> -	action = ima_must_appraise(inode, MAY_ACCESS, POST_SETATTR);
> +	action = ima_must_appraise(inode, MAY_ACCESS, IMA_POST_SETATTR);
>  	if (!action)
>  		__vfs_removexattr(dentry, XATTR_NAME_IMA);
>  	iint = integrity_iint_find(inode);
> diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
> index 357edd140c09..1ddbe39cba8a 100644
> --- a/security/integrity/ima/ima_main.c
> +++ b/security/integrity/ima/ima_main.c
> @@ -193,7 +193,7 @@ static int process_measurement(struct file *file, const struct cred *cred,
>  	 * Included is the appraise submask.
>  	 */
>  	action = ima_get_action(inode, cred, secid, mask, func, &pcr);
> -	violation_check = ((func == FILE_CHECK || func == MMAP_CHECK) &&
> +	violation_check = ((func == IMA_FILE_CHECK || func == IMA_MMAP_CHECK) &&
>  			   (ima_policy_flag & IMA_MEASURE));
>  	if (!action && !violation_check)
>  		return 0;
> @@ -202,7 +202,7 @@ static int process_measurement(struct file *file, const struct cred *cred,
>  
>  	/*  Is the appraise rule hook specific?  */
>  	if (action & IMA_FILE_APPRAISE)
> -		func = FILE_CHECK;
> +		func = IMA_FILE_CHECK;
>  
>  	inode_lock(inode);
>  
> @@ -340,7 +340,7 @@ int ima_file_mmap(struct file *file, unsigned long prot)
>  	if (file && (prot & PROT_EXEC)) {
>  		security_task_getsecid(current, &secid);
>  		return process_measurement(file, current_cred(), secid, NULL,
> -					   0, MAY_EXEC, MMAP_CHECK);
> +					   0, MAY_EXEC, IMA_MMAP_CHECK);
>  	}
>  
>  	return 0;
> @@ -366,13 +366,13 @@ int ima_bprm_check(struct linux_binprm *bprm)
>  
>  	security_task_getsecid(current, &secid);
>  	ret = process_measurement(bprm->file, current_cred(), secid, NULL, 0,
> -				  MAY_EXEC, BPRM_CHECK);
> +				  MAY_EXEC, IMA_BPRM_CHECK);
>  	if (ret)
>  		return ret;
>  
>  	security_cred_getsecid(bprm->cred, &secid);
>  	return process_measurement(bprm->file, bprm->cred, secid, NULL, 0,
> -				   MAY_EXEC, CREDS_CHECK);
> +				   MAY_EXEC, IMA_CREDS_CHECK);
>  }
>  
>  /**
> @@ -392,7 +392,7 @@ int ima_file_check(struct file *file, int mask)
>  	security_task_getsecid(current, &secid);
>  	return process_measurement(file, current_cred(), secid, NULL, 0,
>  				   mask & (MAY_READ | MAY_WRITE | MAY_EXEC |
> -					   MAY_APPEND), FILE_CHECK);
> +					   MAY_APPEND), IMA_FILE_CHECK);
>  }
>  EXPORT_SYMBOL_GPL(ima_file_check);
>  
> @@ -409,7 +409,7 @@ void ima_post_create_tmpfile(struct inode *inode)
>  	struct integrity_iint_cache *iint;
>  	int must_appraise;
>  
> -	must_appraise = ima_must_appraise(inode, MAY_ACCESS, FILE_CHECK);
> +	must_appraise = ima_must_appraise(inode, MAY_ACCESS, IMA_FILE_CHECK);
>  	if (!must_appraise)
>  		return;
>  
> @@ -436,7 +436,7 @@ void ima_post_path_mknod(struct dentry *dentry)
>  	struct inode *inode = dentry->d_inode;
>  	int must_appraise;
>  
> -	must_appraise = ima_must_appraise(inode, MAY_ACCESS, FILE_CHECK);
> +	must_appraise = ima_must_appraise(inode, MAY_ACCESS, IMA_FILE_CHECK);
>  	if (!must_appraise)
>  		return;
>  
> @@ -474,12 +474,12 @@ int ima_read_file(struct file *file, enum kernel_read_file_id read_id)
>  }
>  
>  static const int read_idmap[READING_MAX_ID] = {
> -	[READING_FIRMWARE] = FIRMWARE_CHECK,
> -	[READING_FIRMWARE_PREALLOC_BUFFER] = FIRMWARE_CHECK,
> -	[READING_MODULE] = MODULE_CHECK,
> -	[READING_KEXEC_IMAGE] = KEXEC_KERNEL_CHECK,
> -	[READING_KEXEC_INITRAMFS] = KEXEC_INITRAMFS_CHECK,
> -	[READING_POLICY] = POLICY_CHECK
> +	[READING_FIRMWARE] = IMA_FIRMWARE_CHECK,
> +	[READING_FIRMWARE_PREALLOC_BUFFER] = IMA_FIRMWARE_CHECK,
> +	[READING_MODULE] = IMA_MODULE_CHECK,
> +	[READING_KEXEC_IMAGE] = IMA_KEXEC_KERNEL_CHECK,
> +	[READING_KEXEC_INITRAMFS] = IMA_KEXEC_INITRAMFS_CHECK,
> +	[READING_POLICY] = IMA_POLICY_CHECK
>  };
>  
>  /**
> @@ -520,7 +520,7 @@ int ima_post_read_file(struct file *file, void *buf, loff_t size,
>  		return 0;
>  	}
>  
> -	func = read_idmap[read_id] ?: FILE_CHECK;
> +	func = read_idmap[read_id] ?: IMA_FILE_CHECK;
>  	security_task_getsecid(current, &secid);
>  	return process_measurement(file, current_cred(), secid, buf, size,
>  				   MAY_READ, func);
> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index 26fa9d9723f6..6b39b835861b 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -112,31 +112,31 @@ static struct ima_rule_entry dont_measure_rules[] __ro_after_init = {
>  };
>  
>  static struct ima_rule_entry original_measurement_rules[] __ro_after_init = {
> -	{.action = MEASURE, .func = MMAP_CHECK, .mask = MAY_EXEC,
> +	{.action = MEASURE, .func = IMA_MMAP_CHECK, .mask = MAY_EXEC,
>  	 .flags = IMA_FUNC | IMA_MASK},
> -	{.action = MEASURE, .func = BPRM_CHECK, .mask = MAY_EXEC,
> +	{.action = MEASURE, .func = IMA_BPRM_CHECK, .mask = MAY_EXEC,
>  	 .flags = IMA_FUNC | IMA_MASK},
> -	{.action = MEASURE, .func = FILE_CHECK, .mask = MAY_READ,
> +	{.action = MEASURE, .func = IMA_FILE_CHECK, .mask = MAY_READ,
>  	 .uid = GLOBAL_ROOT_UID, .uid_op = &uid_eq,
>  	 .flags = IMA_FUNC | IMA_MASK | IMA_UID},
> -	{.action = MEASURE, .func = MODULE_CHECK, .flags = IMA_FUNC},
> -	{.action = MEASURE, .func = FIRMWARE_CHECK, .flags = IMA_FUNC},
> +	{.action = MEASURE, .func = IMA_MODULE_CHECK, .flags = IMA_FUNC},
> +	{.action = MEASURE, .func = IMA_FIRMWARE_CHECK, .flags = IMA_FUNC},
>  };
>  
>  static struct ima_rule_entry default_measurement_rules[] __ro_after_init = {
> -	{.action = MEASURE, .func = MMAP_CHECK, .mask = MAY_EXEC,
> +	{.action = MEASURE, .func = IMA_MMAP_CHECK, .mask = MAY_EXEC,
>  	 .flags = IMA_FUNC | IMA_MASK},
> -	{.action = MEASURE, .func = BPRM_CHECK, .mask = MAY_EXEC,
> +	{.action = MEASURE, .func = IMA_BPRM_CHECK, .mask = MAY_EXEC,
>  	 .flags = IMA_FUNC | IMA_MASK},
> -	{.action = MEASURE, .func = FILE_CHECK, .mask = MAY_READ,
> +	{.action = MEASURE, .func = IMA_FILE_CHECK, .mask = MAY_READ,
>  	 .uid = GLOBAL_ROOT_UID, .uid_op = &uid_eq,
>  	 .flags = IMA_FUNC | IMA_INMASK | IMA_EUID},
> -	{.action = MEASURE, .func = FILE_CHECK, .mask = MAY_READ,
> +	{.action = MEASURE, .func = IMA_FILE_CHECK, .mask = MAY_READ,
>  	 .uid = GLOBAL_ROOT_UID, .uid_op = &uid_eq,
>  	 .flags = IMA_FUNC | IMA_INMASK | IMA_UID},
> -	{.action = MEASURE, .func = MODULE_CHECK, .flags = IMA_FUNC},
> -	{.action = MEASURE, .func = FIRMWARE_CHECK, .flags = IMA_FUNC},
> -	{.action = MEASURE, .func = POLICY_CHECK, .flags = IMA_FUNC},
> +	{.action = MEASURE, .func = IMA_MODULE_CHECK, .flags = IMA_FUNC},
> +	{.action = MEASURE, .func = IMA_FIRMWARE_CHECK, .flags = IMA_FUNC},
> +	{.action = MEASURE, .func = IMA_POLICY_CHECK, .flags = IMA_FUNC},
>  };
>  
>  static struct ima_rule_entry default_appraise_rules[] __ro_after_init = {
> @@ -155,7 +155,7 @@ static struct ima_rule_entry default_appraise_rules[] __ro_after_init = {
>  	{.action = DONT_APPRAISE, .fsmagic = CGROUP_SUPER_MAGIC, .flags = IMA_FSMAGIC},
>  	{.action = DONT_APPRAISE, .fsmagic = CGROUP2_SUPER_MAGIC, .flags = IMA_FSMAGIC},
>  #ifdef CONFIG_IMA_WRITE_POLICY
> -	{.action = APPRAISE, .func = POLICY_CHECK,
> +	{.action = APPRAISE, .func = IMA_POLICY_CHECK,
>  	.flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
>  #endif
>  #ifndef CONFIG_IMA_APPRAISE_SIGNED_INIT
> @@ -170,31 +170,31 @@ static struct ima_rule_entry default_appraise_rules[] __ro_after_init = {
>  
>  static struct ima_rule_entry build_appraise_rules[] __ro_after_init = {
>  #ifdef CONFIG_IMA_APPRAISE_REQUIRE_MODULE_SIGS
> -	{.action = APPRAISE, .func = MODULE_CHECK,
> +	{.action = APPRAISE, .func = IMA_MODULE_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
>  #endif
>  #ifdef CONFIG_IMA_APPRAISE_REQUIRE_FIRMWARE_SIGS
> -	{.action = APPRAISE, .func = FIRMWARE_CHECK,
> +	{.action = APPRAISE, .func = IMA_FIRMWARE_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
>  #endif
>  #ifdef CONFIG_IMA_APPRAISE_REQUIRE_KEXEC_SIGS
> -	{.action = APPRAISE, .func = KEXEC_KERNEL_CHECK,
> +	{.action = APPRAISE, .func = IMA_KEXEC_KERNEL_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
>  #endif
>  #ifdef CONFIG_IMA_APPRAISE_REQUIRE_POLICY_SIGS
> -	{.action = APPRAISE, .func = POLICY_CHECK,
> +	{.action = APPRAISE, .func = IMA_POLICY_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
>  #endif
>  };
>  
>  static struct ima_rule_entry secure_boot_rules[] __ro_after_init = {
> -	{.action = APPRAISE, .func = MODULE_CHECK,
> +	{.action = APPRAISE, .func = IMA_MODULE_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
> -	{.action = APPRAISE, .func = FIRMWARE_CHECK,
> +	{.action = APPRAISE, .func = IMA_FIRMWARE_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
> -	{.action = APPRAISE, .func = KEXEC_KERNEL_CHECK,
> +	{.action = APPRAISE, .func = IMA_KEXEC_KERNEL_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
> -	{.action = APPRAISE, .func = POLICY_CHECK,
> +	{.action = APPRAISE, .func = IMA_POLICY_CHECK,
>  	 .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
>  };
>  
> @@ -292,13 +292,13 @@ static bool ima_match_rules(struct ima_rule_entry *rule, struct inode *inode,
>  	int i;
>  
>  	if ((rule->flags & IMA_FUNC) &&
> -	    (rule->func != func && func != POST_SETATTR))
> +	    (rule->func != func && func != IMA_POST_SETATTR))
>  		return false;
>  	if ((rule->flags & IMA_MASK) &&
> -	    (rule->mask != mask && func != POST_SETATTR))
> +	    (rule->mask != mask && func != IMA_POST_SETATTR))
>  		return false;
>  	if ((rule->flags & IMA_INMASK) &&
> -	    (!(rule->mask & mask) && func != POST_SETATTR))
> +	    (!(rule->mask & mask) && func != IMA_POST_SETATTR))
>  		return false;
>  	if ((rule->flags & IMA_FSMAGIC)
>  	    && rule->fsmagic != inode->i_sb->s_magic)
> @@ -373,16 +373,16 @@ static int get_subaction(struct ima_rule_entry *rule, enum ima_hooks func)
>  		return IMA_FILE_APPRAISE;
>  
>  	switch (func) {
> -	case MMAP_CHECK:
> +	case IMA_MMAP_CHECK:
>  		return IMA_MMAP_APPRAISE;
> -	case BPRM_CHECK:
> +	case IMA_BPRM_CHECK:
>  		return IMA_BPRM_APPRAISE;
> -	case CREDS_CHECK:
> +	case IMA_CREDS_CHECK:
>  		return IMA_CREDS_APPRAISE;
> -	case FILE_CHECK:
> -	case POST_SETATTR:
> +	case IMA_FILE_CHECK:
> +	case IMA_POST_SETATTR:
>  		return IMA_FILE_APPRAISE;
> -	case MODULE_CHECK ... MAX_CHECK - 1:
> +	case IMA_MODULE_CHECK ... IMA_MAX_CHECK - 1:
>  	default:
>  		return IMA_READ_APPRAISE;
>  	}
> @@ -468,13 +468,13 @@ void ima_update_policy_flag(void)
>  
>  static int ima_appraise_flag(enum ima_hooks func)
>  {
> -	if (func == MODULE_CHECK)
> +	if (func == IMA_MODULE_CHECK)
>  		return IMA_APPRAISE_MODULES;
> -	else if (func == FIRMWARE_CHECK)
> +	else if (func == IMA_FIRMWARE_CHECK)
>  		return IMA_APPRAISE_FIRMWARE;
> -	else if (func == POLICY_CHECK)
> +	else if (func == IMA_POLICY_CHECK)
>  		return IMA_APPRAISE_POLICY;
> -	else if (func == KEXEC_KERNEL_CHECK)
> +	else if (func == IMA_KEXEC_KERNEL_CHECK)
>  		return IMA_APPRAISE_KEXEC;
>  	return 0;
>  }
> @@ -500,7 +500,7 @@ static void add_rules(struct ima_rule_entry *entries, int count,
>  		}
>  		if (entries[i].action == APPRAISE)
>  			temp_ima_appraise |= ima_appraise_flag(entries[i].func);
> -		if (entries[i].func == POLICY_CHECK)
> +		if (entries[i].func == IMA_POLICY_CHECK)
>  			temp_ima_appraise |= IMA_APPRAISE_POLICY;
>  	}
>  }
> @@ -846,29 +846,29 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry)
>  				result = -EINVAL;
>  
>  			if (strcmp(args[0].from, "FILE_CHECK") == 0)
> -				entry->func = FILE_CHECK;
> +				entry->func = IMA_FILE_CHECK;
>  			/* PATH_CHECK is for backwards compat */
>  			else if (strcmp(args[0].from, "PATH_CHECK") == 0)
> -				entry->func = FILE_CHECK;
> +				entry->func = IMA_FILE_CHECK;
>  			else if (strcmp(args[0].from, "MODULE_CHECK") == 0)
> -				entry->func = MODULE_CHECK;
> +				entry->func = IMA_MODULE_CHECK;
>  			else if (strcmp(args[0].from, "FIRMWARE_CHECK") == 0)
> -				entry->func = FIRMWARE_CHECK;
> +				entry->func = IMA_FIRMWARE_CHECK;
>  			else if ((strcmp(args[0].from, "FILE_MMAP") == 0)
>  				|| (strcmp(args[0].from, "MMAP_CHECK") == 0))
> -				entry->func = MMAP_CHECK;
> +				entry->func = IMA_MMAP_CHECK;
>  			else if (strcmp(args[0].from, "BPRM_CHECK") == 0)
> -				entry->func = BPRM_CHECK;
> +				entry->func = IMA_BPRM_CHECK;
>  			else if (strcmp(args[0].from, "CREDS_CHECK") == 0)
> -				entry->func = CREDS_CHECK;
> +				entry->func = IMA_CREDS_CHECK;
>  			else if (strcmp(args[0].from, "KEXEC_KERNEL_CHECK") ==
>  				 0)
> -				entry->func = KEXEC_KERNEL_CHECK;
> +				entry->func = IMA_KEXEC_KERNEL_CHECK;
>  			else if (strcmp(args[0].from, "KEXEC_INITRAMFS_CHECK")
>  				 == 0)
> -				entry->func = KEXEC_INITRAMFS_CHECK;
> +				entry->func = IMA_KEXEC_INITRAMFS_CHECK;
>  			else if (strcmp(args[0].from, "POLICY_CHECK") == 0)
> -				entry->func = POLICY_CHECK;
> +				entry->func = IMA_POLICY_CHECK;
>  			else
>  				result = -EINVAL;
>  			if (!result)
> @@ -1194,7 +1194,7 @@ void ima_policy_stop(struct seq_file *m, void *v)
>   */
>  static void policy_func_show(struct seq_file *m, enum ima_hooks func)
>  {
> -	if (func > 0 && func < MAX_CHECK)
> +	if (func > 0 && func < IMA_MAX_CHECK)
>  		seq_printf(m, "func=%s ", func_tokens[func]);
>  	else
>  		seq_printf(m, "func=%d ", func);

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