integrity: fix typos and spelling errors

Fix typos and spelling errors in integrity module comments that were
identified using the codespell tool.
No functional changes - documentation only.

Signed-off-by: Tanya Agarwal <tanyaagarwal25699@gmail.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

security/integrity/evm/evm_crypto.c

@@ -180,7 +180,7 @@ static void hmac_add_misc(struct shash_desc *desc, struct inode *inode,
 }
 
 /*
- * Dump large security xattr values as a continuous ascii hexademical string.
+ * Dump large security xattr values as a continuous ascii hexadecimal string.
  * (pr_debug is limited to 64 bytes.)
  */
 static void dump_security_xattr_l(const char *prefix, const void *src,

security/integrity/evm/evm_main.c

@@ -169,7 +169,7 @@ static int is_unsupported_hmac_fs(struct dentry *dentry)
  * and compare it against the stored security.evm xattr.
  *
  * For performance:
- * - use the previoulsy retrieved xattr value and length to calculate the
+ * - use the previously retrieved xattr value and length to calculate the
  *   HMAC.)
  * - cache the verification result in the iint, when available.
  *

security/integrity/ima/ima_main.c

@@ -1011,9 +1011,9 @@ int process_buffer_measurement(struct mnt_idmap *idmap,
 	}
 
 	/*
-	 * Both LSM hooks and auxilary based buffer measurements are
-	 * based on policy.  To avoid code duplication, differentiate
-	 * between the LSM hooks and auxilary buffer measurements,
+	 * Both LSM hooks and auxiliary based buffer measurements are
+	 * based on policy. To avoid code duplication, differentiate
+	 * between the LSM hooks and auxiliary buffer measurements,
 	 * retrieving the policy rule information only for the LSM hook
 	 * buffer measurements.
 	 */