PATCH: fix proc handling in sis, siimageand slc90e66

[Alan Cox]

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65/drivers/ide/pci/siimage.c linux-2.5.65-ac2/drivers/ide/pci/siimage.c
--- linux-2.5.65/drivers/ide/pci/siimage.c	2003-03-03 19:20:09.000000000 +0000
+++ linux-2.5.65-ac2/drivers/ide/pci/siimage.c	2003-03-06 23:35:51.000000000 +0000
@@ -55,6 +55,7 @@
 static int siimage_get_info (char *buffer, char **addr, off_t offset, int count)
 {
 	char *p = buffer;
+	int len;
 	u16 i;
 
 	p += sprintf(p, "\n");
@@ -62,7 +63,11 @@
 		struct pci_dev *dev	= siimage_devs[i];
 		p = print_siimage_get_info(p, dev, i);
 	}
-	return p-buffer;	/* => must be less than 4k! */
+	/* p - buffer must be less than 4k! */
+	len = (p - buffer) - offset;
+	*addr = buffer + offset;
+	
+	return len > count ? count : len;
 }
 
 #endif	/* defined(DISPLAY_SIIMAGE_TIMINGS) && defined(CONFIG_PROC_FS) */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65/drivers/ide/pci/sis5513.c linux-2.5.65-ac2/drivers/ide/pci/sis5513.c
--- linux-2.5.65/drivers/ide/pci/sis5513.c	2003-03-03 19:20:09.000000000 +0000
+++ linux-2.5.65-ac2/drivers/ide/pci/sis5513.c	2003-03-06 23:35:34.000000000 +0000
@@ -424,6 +424,7 @@
 static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
 {
 	char *p = buffer;
+	int len;
 	u8 reg;
 	u16 reg2, reg3;
 
@@ -494,7 +495,10 @@
 	p = get_masters_info(p);
 	p = get_slaves_info(p);
 
-	return p-buffer;
+	len = (p - buffer) - offset;
+	*addr = buffer + offset;
+	
+	return len > count ? count : len;
 }
 #endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS) */
 
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65/drivers/ide/pci/slc90e66.c linux-2.5.65-ac2/drivers/ide/pci/slc90e66.c
--- linux-2.5.65/drivers/ide/pci/slc90e66.c	2003-03-03 19:20:09.000000000 +0000
+++ linux-2.5.65-ac2/drivers/ide/pci/slc90e66.c	2003-03-06 23:34:56.000000000 +0000
@@ -34,8 +34,9 @@
 static int slc90e66_get_info (char *buffer, char **addr, off_t offset, int count)
 {
 	char *p = buffer;
+	int len;
 	unsigned long bibma = pci_resource_start(bmide_dev, 4);
-        u16 reg40 = 0, psitre = 0, reg42 = 0, ssitre = 0;
+	u16 reg40 = 0, psitre = 0, reg42 = 0, ssitre = 0;
 	u8  c0 = 0, c1 = 0;
 	u8  reg44 = 0, reg47 = 0, reg48 = 0, reg4a = 0, reg4b = 0;
 
@@ -110,7 +111,11 @@
  *	FIXME.... Add configuration junk data....blah blah......
  */
 
-	return p-buffer;	 /* => must be less than 4k! */
+	/* p - buffer must be less than 4k! */
+	len = (p - buffer) - offset;
+	*addr = buffer + offset;
+	
+	return len > count ? count : len;
 }
 #endif  /* defined(DISPLAY_SLC90E66_TIMINGS) && defined(CONFIG_PROC_FS) */