From 32877d66aa5f49469ee3ade6a258290f587ea420 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Wed, 5 May 2004 19:44:41 +0000
Subject: [PATCH] * Fix memory leak in the NAND-specific JFFS2 code

* Fix SL811 USB controller when attached to a USB hub
---
 CHANGELOG              |  4 ++++
 drivers/sl811_usb.c    | 13 +++++++++----
 fs/jffs2/jffs2_1pass.c |  9 ++++++---
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 235852a358..7532e7007d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,10 @@
 Changes since U-Boot 1.1.1:
 ======================================================================
 
+* Fix memory leak in the NAND-specific JFFS2 code
+
+* Fix SL811 USB controller when attached to a USB hub
+
 * Fix config option spelling in PM520 config file
 
 * Fix PHY discovery problem in cpu/mpc8xx/fec.c (introduced by
diff --git a/drivers/sl811_usb.c b/drivers/sl811_usb.c
index ce5afe0c34..5136cdc68d 100644
--- a/drivers/sl811_usb.c
+++ b/drivers/sl811_usb.c
@@ -226,7 +226,12 @@ int usb_lowlevel_stop(void)
 	return 0;
 }
 
-int sl811_send_packet(int dir_to_host, int data1, __u8 *buffer, int len)
+static int calc_needed_buswidth(int bytes, int low_speed)
+{
+	return bytes * 8 + 512;
+}
+
+static int sl811_send_packet(int dir_to_host, int data1, __u8 *buffer, int len)
 {
 	__u8 ctrl = SL811_USB_CTRL_ARM | SL811_USB_CTRL_ENABLE;
 	__u16 status = 0;
@@ -248,7 +253,7 @@ int sl811_send_packet(int dir_to_host, int data1, __u8 *buffer, int len)
 		if (!dir_to_host && len)
 			sl811_write_buf(0x10, buffer, len);
 
-		if (sl811_read(SL811_SOFCNTDIV)*64 < len * 8 * 2)
+		if (sl811_read(SL811_SOFCNTDIV)*64 < calc_needed_buswidth(len, 0))
 			ctrl |= SL811_USB_CTRL_SOF;
 		else
 			ctrl &= ~SL811_USB_CTRL_SOF;
@@ -494,7 +499,7 @@ static int ascii2utf (char *s, u8 *utf, int utfmax)
  * root_hub_string is used by each host controller's root hub code,
  * so that they're identified consistently throughout the system.
  */
-int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
+static int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
 {
 	char buf [30];
 
@@ -503,7 +508,7 @@ int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
 
 	/* language ids */
 	if (id == 0) {
-		*data++ = 4; *data++ = 3;	/* 4 bytes data */
+		*data++ = 3; *data++ = 4;	/* 4 bytes data */
 		*data++ = 0; *data++ = 0;	/* some language id */
 		return 4;
 
diff --git a/fs/jffs2/jffs2_1pass.c b/fs/jffs2/jffs2_1pass.c
index 7bfcc0484d..24b446c1a5 100644
--- a/fs/jffs2/jffs2_1pass.c
+++ b/fs/jffs2/jffs2_1pass.c
@@ -217,7 +217,8 @@ static void *get_fl_mem(u32 off, u32 size, void *ext_buf)
 		return NULL;
 	}
 	if (read_nand_cached(off, size, buf) < 0) {
-		free(buf);
+		if (!ext_buf)
+			free(buf);
 		return NULL;
 	}
 
@@ -756,9 +757,11 @@ jffs2_1pass_list_inodes(struct b_lists * pL, u32 pino)
 			while (b2) {
 				jNode = (struct jffs2_raw_inode *)
 					get_fl_mem(b2->offset, sizeof(ojNode), &ojNode);
-				if (jNode->ino == jDir->ino
-				    && jNode->version >= i_version)
+				if (jNode->ino == jDir->ino && jNode->version >= i_version) {
+					if (i)
+						put_fl_mem(i);	
 					i = get_fl_mem(b2->offset, sizeof(*i), NULL);
+				}
 				b2 = b2->next;
 			}
 
-- 
2.25.1