Module Name:    src
Committed By:   christos
Date:           Sun Jun 19 04:23:18 UTC 2011

Modified Files:
        src/sys/dev/sysmon: sysmon_envsys_tables.c

Log Message:
simplify and don't deref NULL.


To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/dev/sysmon/sysmon_envsys_tables.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/sysmon/sysmon_envsys_tables.c
diff -u src/sys/dev/sysmon/sysmon_envsys_tables.c:1.7 src/sys/dev/sysmon/sysmon_envsys_tables.c:1.8
--- src/sys/dev/sysmon/sysmon_envsys_tables.c:1.7	Sat Jun 18 23:09:43 2011
+++ src/sys/dev/sysmon/sysmon_envsys_tables.c	Sun Jun 19 00:23:18 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: sysmon_envsys_tables.c,v 1.7 2011/06/19 03:09:43 pgoyette Exp $ */
+/* $NetBSD: sysmon_envsys_tables.c,v 1.8 2011/06/19 04:23:18 christos Exp $ */
 
 /*-
  * Copyright (c) 2007 Juan Romero Pardines.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sysmon_envsys_tables.c,v 1.7 2011/06/19 03:09:43 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sysmon_envsys_tables.c,v 1.8 2011/06/19 04:23:18 christos Exp $");
 
 #include <sys/types.h>
 
@@ -100,58 +100,51 @@
 	{ -1,					-1, 	"UNKNOWN" }
 };
 
-/*
- * Returns the entry from specified table with type == key
- */
-const struct sme_descr_entry *
-sme_find_table_entry(enum sme_descr_type table_id, int key)
+static const struct sme_desc_entry *
+sme_find_table(enum sme_descr_type table_id)
 {
-	const struct sme_descr_entry *table = NULL;
-
 	switch (table_id) {
 	case SME_DESC_UNITS:
-		table = sme_units_description;
+		return sme_units_description;
 		break;
 	case SME_DESC_STATES:
-		table = sme_state_description;
+		return sme_state_description;
 		break;
 	case SME_DESC_DRIVE_STATES:
-		table = sme_drivestate_description;
+		return sme_drivestate_description;
 		break;
 	case SME_DESC_BATTERY_CAPACITY:
-		table = sme_batterycap_description;
+		return sme_batterycap_description;
 		break;
+	default:
+		return NULL;
 	}
+}
+
+/*
+ * Returns the entry from specified table with type == key
+ */
+const struct sme_descr_entry *
+sme_find_table_entry(enum sme_descr_type table_id, int key)
+{
+	const struct sme_descr_entry *table = sme_find_table();
 
-	for (; table->type != -1; table++)
-		if (table->type == key)
-			break;
+	if (table != NULL)
+		for (; table->type != -1; table++)
+			if (table->type == key)
+				return table;
 
-	return table;
+	return NULL;
 }
+
 const struct sme_descr_entry *
 sme_find_table_desc(enum sme_descr_type table_id, const char *str)
 {
-	const struct sme_descr_entry *table = NULL;
+	const struct sme_descr_entry *table = sme_find_table();
 
-	switch (table_id) {
-	case SME_DESC_UNITS:
-		table = sme_units_description;
-		break;
-	case SME_DESC_STATES:
-		table = sme_state_description;
-		break;
-	case SME_DESC_DRIVE_STATES:
-		table = sme_drivestate_description;
-		break;
-	case SME_DESC_BATTERY_CAPACITY:
-		table = sme_batterycap_description;
-		break;
-	}
-
-	for (; table->type != -1; table++)
-		if (strcmp(table->desc, str) == 0)
-			break;
-	return table;
+	if (table != NULL)
+		for (; table->type != -1; table++)
+			if (strcmp(table->desc, str) == 0)
+				return table;
+	return NULL;
 }
-

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