Patch by Pierre Aubert, 15 Mar 2004:

Fix buffer overflow in IDE identification

6 files changed, 53 insertions, 59 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 189c1305a..87031891f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,13 @@
 Changes for U-Boot 1.0.2:
 ======================================================================
 
+* Patch by Pierre Aubert, 15 Mar 2004:
+  Fix buffer overflow in IDE identification
+
+* Fix power-off of LCD for out-of-band temperatures on LWMON board
+
+* Remove redundand #define in IceCube.h
+
 * Patch by Steven Scholz, 27 Feb 2004:
   - Adding get_ticks() and get_tbclk() for AT91RM9200
   - Many white space fixes in cpu/at91rm9200/interrupts.c
@@ -29,7 +36,7 @@ Changes for U-Boot 1.0.2:
 * Patch by George G. Davis, 11 Mar 2004:
   add support for ADS GraphicsClient+ board.
 
-* Patch by  Pierre Aubert, 11 Mar 2004:
+* Patch by Pierre Aubert, 11 Mar 2004:
   - add bitmap command and splash screen support in cfb console
   - add [optional] origin in the bitmap display command
 
@@ -57,7 +64,7 @@ Changes for U-Boot 1.0.2:
   Don't overwrite server IP address or boot file name
   when the boot server does not return values
 
-* Patch by listmember@orkun.us, 5 Mar 2004:
+* Patch by Tolunay Orkun, 5 Mar 2004:
   Removed compile time restriction on CFG_I2C_SPEED for DS1338 RTC
 
 * Patch by Tolunay Orkun, 5 Mar 2004:
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index 2b8b2bc94..8644d986b 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -1410,27 +1410,31 @@ WR_OUT:
 /*
  * copy src to dest, skipping leading and trailing blanks and null
  * terminate the string
+ * "len" is the size of available memory including the terminating '\0'
  */
-static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
+static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
 {
-	int start,end;
+	unsigned char *end, *last;
 
-	start=0;
-	while (start<len) {
-		if (src[start]!=' ')
-			break;
-		start++;
-	}
-	end=len-1;
-	while (end>start) {
-		if (src[end]!=' ')
-			break;
-		end--;
-	}
-	for ( ; start<=end; start++) {
-		*dest++=src[start];
+	last = dst;
+	end  = src + len;
+
+	/* reserve space for '\0' */
+	if (len < 2)
+		goto OUT;
+	
+	/* skip leading white space */
+	while ((*src) && (src<end) && (*src==' '))
+		++src;
+
+	/* copy string, omitting trailing white space */
+	while ((*src) && (src<end)) {
+		*dst++ = *src;
+		if (*src++ != ' ')
+			last = dst;
 	}
-	*dest='\0';
+OUT:
+	*last = '\0';
 }
 
 /* ------------------------------------------------------------------------- */
diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c
index f7620ef2c..dc2f554c9 100644
--- a/cpu/mpc8xx/lcd.c
+++ b/cpu/mpc8xx/lcd.c
@@ -1057,7 +1057,7 @@ static void lcd_enable (void)
 #if defined(CONFIG_LWMON)
     {	uchar c = pic_read (0x60);
 #if defined(CONFIG_LCD) && defined(CONFIG_LWMON) && (CONFIG_POST & CFG_POST_SYSMON)
-	c |= 0x04;	/* Chip Enable LCD */
+	/* Enable LCD later in sysmon test, only if temperature is OK */
 #else
 	c |= 0x07;	/* Power on CCFL, Enable CCFL, Chip Enable LCD */
 #endif
diff --git a/include/configs/IceCube.h b/include/configs/IceCube.h
index 37c76c306..38db440f4 100644
--- a/include/configs/IceCube.h
+++ b/include/configs/IceCube.h
@@ -89,7 +89,6 @@
 #if 1
 #define CONFIG_USB_OHCI
 #define ADD_USB_CMD             CFG_CMD_USB | CFG_CMD_FAT
-#define CONFIG_DOS_PARTITION
 #define CONFIG_USB_STORAGE
 #else
 #define ADD_USB_CMD             0
diff --git a/include/part.h b/include/part.h
index 73000a7db..5282c8521 100644
--- a/include/part.h
+++ b/include/part.h
@@ -37,9 +37,9 @@ typedef struct block_dev_desc {
 #endif
 	unsigned long	lba;	  	/* number of blocks */
 	unsigned long	blksz;		/* block size */
-	unsigned char	vendor[40]; 	/* IDE model, SCSI Vendor */
-	unsigned char	product[20];	/* IDE Serial no, SCSI product */
-	unsigned char	revision[8];	/* firmware revision */
+	unsigned char	vendor [40+1]; 	/* IDE model, SCSI Vendor */
+	unsigned char	product[20+1];	/* IDE Serial no, SCSI product */
+	unsigned char	revision[8+1];	/* firmware revision */
 	unsigned long	(*block_read)(int dev,
 				      unsigned long start,
 				      unsigned long blkcnt,
diff --git a/post/sysmon.c b/post/sysmon.c
index e28de9048..8758ccdc0 100644
--- a/post/sysmon.c
+++ b/post/sysmon.c
@@ -115,10 +115,10 @@ struct sysmon_table_s
 static sysmon_table_t sysmon_table[] =
 {
     {"Board temperature", " C", &sysmon_lm87_sgn, NULL, sysmon_ccfl_disable,
-     1, 1, -128, 127, 0xFF, 0x58, 0xD5, 0, 0x67, 0xC6, 0, 0x27},
+     1, 1, -128, 127, 0xFF, 0x58, 0xD5, 0, 0x6C, 0xC6, 0, 0x27},
 
     {"Front temperature", " C", &sysmon_lm87, NULL, sysmon_ccfl_disable,
-     1, 100, -27316, 8984, 0xFF, 0xA4, 0xFC, 0, 0xAE, 0xF1, 0, 0x29},
+     1, 100, -27316, 8984, 0xFF, 0xA4, 0xFC, 0, 0xB2, 0xF1, 0, 0x29},
 
     {"+3.3V CPU logic", "V", &sysmon_lm87, NULL, NULL,
      100, 1000, 0, 4386, 0xFF, 0xB6, 0xC9, 0, 0xB6, 0xC9, 0, 0x22},
@@ -150,8 +150,7 @@ int sysmon_init_f (void)
 	reg |= 0x09;
 	pic_write (0x60, reg);
 
-	for (l = sysmon_list; *l; l++)
-	{
+	for (l = sysmon_list; *l; l++) {
 		(*l)->init(*l);
 	}
 
@@ -165,15 +164,13 @@ void sysmon_reloc (void)
 	sysmon_t ** l;
 	sysmon_table_t * t;
 
-	for (l = sysmon_list; *l; l++)
-	{
+	for (l = sysmon_list; *l; l++) {
 		RELOC(*l);
 		RELOC((*l)->init);
 		RELOC((*l)->read);
 	}
 
-	for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++)
-	{
+	for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) {
 		RELOC(t->exec_before);
 		RELOC(t->exec_after);
 		RELOC(t->sysmon);
@@ -204,12 +201,10 @@ static char *sysmon_unit_value (sysmon_table_t *s, uint val)
 
 	dec = s->unit_precision;
 
-	if (dec != 1)
-	{
+	if (dec != 1) {
 		*p++ = '.';
 	}
-	for (dec /= 10; dec != 0; dec /= 10)
-	{
+	for (dec /= 10; dec != 0; dec /= 10) {
 		*p++ = '0' + (frac / dec) % 10;
 	}
 	strcpy(p, s->unit_name);
@@ -223,24 +218,21 @@ static void sysmon_lm87_init (sysmon_t * this)
 
 	/* Detect LM87 chip */
 	if (i2c_read(this->chip, 0x40, 1, &val, 1) || (val & 0x80) != 0 ||
-	    i2c_read(this->chip, 0x3E, 1, &val, 1) || val != 0x02)
-	{
+	    i2c_read(this->chip, 0x3E, 1, &val, 1) || val != 0x02) {
 		printf("Error: LM87 not found at 0x%02X\n", this->chip);
 		return;
 	}
 
 	/* Configure pins 5,6 as AIN */
 	val = 0x03;
-	if (i2c_write(this->chip, 0x16, 1, &val, 1))
-	{
+	if (i2c_write(this->chip, 0x16, 1, &val, 1)) {
 		printf("Error: can't write LM87 config register\n");
 		return;
 	}
 
 	/* Start monitoring */
 	val = 0x01;
-	if (i2c_write(this->chip, 0x40, 1, &val, 1))
-	{
+	if (i2c_write(this->chip, 0x40, 1, &val, 1)) {
 		printf("Error: can't write LM87 config register\n");
 		return;
 	}
@@ -267,8 +259,7 @@ static uint sysmon_i2c_read_sgn (sysmon_t * this, uint addr)
 
 static void sysmon_ccfl_disable (sysmon_table_t * this)
 {
-	if (!this->val_valid_alt)
-	{
+	if (!this->val_valid_alt) {
 		sysmon_temp_invalid = 1;
 	}
 }
@@ -277,10 +268,9 @@ static void sysmon_ccfl_enable (sysmon_table_t * this)
 {
 	ulong reg;
 
-	if (!sysmon_temp_invalid)
-	{
+	if (!sysmon_temp_invalid) {
 		reg = pic_read  (0x60);
-		reg |= 0x02;
+		reg |= 0x06;
 		pic_write (0x60, reg);
 	}
 }
@@ -296,16 +286,13 @@ int sysmon_post_test (int flags)
 	/*
 	 * The A/D conversion on the LM87 sensor takes 300 ms.
 	 */
-	if (! conversion_done)
-	{
+	if (! conversion_done) {
 		while (post_time_ms(gd->post_init_f_time) < 300) WATCHDOG_RESET ();
 		conversion_done = 1;
 	}
 
-	for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++)
-	{
-		if (t->exec_before)
-		{
+	for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) {
+		if (t->exec_before) {
 			t->exec_before(t);
 		}
 
@@ -313,13 +300,11 @@ int sysmon_post_test (int flags)
 		t->val_valid = val >= t->val_min && val <= t->val_max;
 		t->val_valid_alt = val >= t->val_min_alt && val <= t->val_max_alt;
 
-		if (t->exec_after)
-		{
+		if (t->exec_after) {
 			t->exec_after(t);
 		}
 
-		if ((!t->val_valid) || (flags & POST_MANUAL))
-		{
+		if ((!t->val_valid) || (flags & POST_MANUAL)) {
 			printf("%-17s = %-10s ", t->name, sysmon_unit_value(t, val));
 			printf("allowed range");
 			printf(" %-8s ..", sysmon_unit_value(t, t->val_min));
@@ -327,8 +312,7 @@ int sysmon_post_test (int flags)
 			printf("     %s\n", t->val_valid ? "OK" : "FAIL");
 		}
 
-		if (!t->val_valid)
-		{
+		if (!t->val_valid) {
 			res = -1;
 		}
 	}