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2.6.13-rc5-mm1, remove uneeded function

Andrey Panin lkml 1 version In review

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  1. v1 Latest5 patches 3 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/52.6.13-rc5-mm1, remove old debugging codearch/i386/kernel/dmi_scan.c+0 -210 replies
2/52.6.13-rc5-mm1, make dmi_string() behave like strdup()arch/i386/kernel/dmi_scan.c+23 -160 replies
3/52.6.13-rc5-mm1, add onboard devices discoveryarch/i386/kernel/dmi_scan.c include/linux/dmi.h+121 -150 replies
4/52.6.13-rc5-mm1, IPMI, use dmi_find_device()drivers/char/ipmi/ipmi_si_intf.c+17 -881 reply
5/52.6.13-rc5-mm1, driver for IBM Automatic Server Restart watchdogdrivers/char/watchdog/Kconfig drivers/char/watchdog/Makefile drivers/char/watchdog/ibmasr.c+418 -02 replies

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Cover letter [PATCH 0/5] 2.6.13-rc5-mm1, remove uneeded function

After elimination of central DMI blacklist dmi_scan_machine() function became a wrapper for dmi_iterate(). This patch moves some code around to kill unneeded function.

 arch/i386/kernel/dmi_scan.c |   85 ++++++++++++++++++++------------------------
 1 files changed, 40 insertions(+), 45 deletions(-)
arch/i386/kernel/dmi_scan.c +40 -45
diff -urdpNX /usr/share/dontdiff linux-2.6.13-rc5-mm1.vanilla/arch/i386/kernel/dmi_scan.c linux-2.6.13-rc5-mm1/arch/i386/kernel/dmi_scan.c
@@ -84,49 +84,6 @@ static int __init dmi_checksum(u8 *buf)
 	return sum == 0;
 }
 
-static int __init dmi_iterate(void (*decode)(struct dmi_header *))
-{
-	u8 buf[15];
-	char __iomem *p, *q;
-
-	/*
-	 * no iounmap() for that ioremap(); it would be a no-op, but it's
-	 * so early in setup that sucker gets confused into doing what
-	 * it shouldn't if we actually call it.
-	 */
-	p = ioremap(0xF0000, 0x10000);
-	if (p == NULL)
-		return -1;
-
-	for (q = p; q < p + 0x10000; q += 16) {
-		memcpy_fromio(buf, q, 15);
-		if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
-			u16 num = (buf[13] << 8) | buf[12];
-			u16 len = (buf[7] << 8) | buf[6];
-			u32 base = (buf[11] << 24) | (buf[10] << 16) |
-				   (buf[9] << 8) | buf[8];
-
-			/*
-			 * DMI version 0.0 means that the real version is taken from
-			 * the SMBIOS version, which we don't know at this point.
-			 */
-			if (buf[14] != 0)
-				printk(KERN_INFO "DMI %d.%d present.\n",
-					buf[14] >> 4, buf[14] & 0xF);
-			else
-				printk(KERN_INFO "DMI present.\n");
-
-			dmi_printk((KERN_INFO "%d structures occupying %d bytes.\n",
-				num, len));
-			dmi_printk((KERN_INFO "DMI table at 0x%08X.\n", base));
-
-			if (dmi_table(base,len, num, decode) == 0)
-				return 0;
-		}
-	}
-	return -1;
-}
-
 static char *dmi_ident[DMI_STRING_MAX];
 
 /*
@@ -190,8 +147,46 @@ static void __init dmi_decode(struct dmi
 
 void __init dmi_scan_machine(void)
 {
-	if (dmi_iterate(dmi_decode))
-		printk(KERN_INFO "DMI not present.\n");
+	u8 buf[15];
+	char __iomem *p, *q;
+
+	/*
+	 * no iounmap() for that ioremap(); it would be a no-op, but it's
+	 * so early in setup that sucker gets confused into doing what
+	 * it shouldn't if we actually call it.
+	 */
+	p = ioremap(0xF0000, 0x10000);
+	if (p == NULL)
+		goto out;
+
+	for (q = p; q < p + 0x10000; q += 16) {
+		memcpy_fromio(buf, q, 15);
+		if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
+			u16 num = (buf[13] << 8) | buf[12];
+			u16 len = (buf[7] << 8) | buf[6];
+			u32 base = (buf[11] << 24) | (buf[10] << 16) |
+				   (buf[9] << 8) | buf[8];
+
+			/*
+			 * DMI version 0.0 means that the real version is taken from
+			 * the SMBIOS version, which we don't know at this point.
+			 */
+			if (buf[14] != 0)
+				printk(KERN_INFO "DMI %d.%d present.\n",
+					buf[14] >> 4, buf[14] & 0xF);
+			else
+				printk(KERN_INFO "DMI present.\n");
+
+			dmi_printk((KERN_INFO "%d structures occupying %d bytes.\n",
+				num, len));
+			dmi_printk((KERN_INFO "DMI table at 0x%08X.\n", base));
+
+			if (dmi_table(base,len, num, dmi_decode) == 0)
+				return;
+		}
+	}
+
+out:	printk(KERN_INFO "DMI not present.\n");
 }