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Subject[patch] isofs: alignment fix for uni16_to_x8()
With some CDs on alpha I have a LOT of unaligned traps
while reading directories. Here is a fix.

Ivan.

--- 2.4.0t7/fs/isofs/joliet.c Tue Aug 1 18:55:42 2000
+++ linux/fs/isofs/joliet.c Fri Aug 25 18:42:45 2000
@@ -10,6 +10,7 @@
#include <linux/nls.h>
#include <linux/malloc.h>
#include <linux/iso_fs.h>
+#include <asm/unaligned.h>

/*
* Convert Unicode 16 to UTF8 or ASCII.
@@ -17,15 +18,15 @@
static int
uni16_to_x8(unsigned char *ascii, u16 *uni, int len, struct nls_table *nls)
{
- wchar_t *ip;
+ wchar_t *ip, ch;
unsigned char *op;

ip = uni;
op = ascii;

- while (*ip && len) {
+ while ((ch = get_unaligned(ip)) && len) {
int llen;
- wchar_t ch = be16_to_cpu(*ip);
+ ch = be16_to_cpu(ch);
if ((llen = nls->uni2char(ch, op, NLS_MAX_CHARSET_SIZE)) > 0)
op += llen;
else
-
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