[PATCH] fix proc handling in sis, siimageand slc90e66

drivers/ide/pci/siimage.c

@@ -55,6 +55,7 @@ static char * print_siimage_get_info (char *buf, struct pci_dev *dev, int index)
 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 @@ static int siimage_get_info (char *buffer, char **addr, off_t offset, int count)
 		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) */

drivers/ide/pci/sis5513.c

@@ -424,6 +424,7 @@ static char* get_slaves_info(char* buffer)
 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 @@ static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
 	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) */
 

drivers/ide/pci/slc90e66.c

@@ -34,6 +34,7 @@ static struct pci_dev *bmide_dev;
 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;
 	u8  c0 = 0, c1 = 0;
@@ -110,7 +111,11 @@ static int slc90e66_get_info (char *buffer, char **addr, off_t offset, int count
  *	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) */