[10/12] fix handling of '/' embedded in filenames in isofs

[William Lee Irwin III]

 * Fix slashes in broken Acorn ISO9660 images in fs/isofs/dir.c (Darren Salt)
This fixes Debian BTS #141660.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=141660

	From: Darren Salt <linux@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
	Message-ID: <4B238BA09A%linux@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
	To: submit@xxxxxxxxxxxxxxx
	Subject: Handle '/' in filenames in broken ISO9660 images

[Also applicable to 2.2.x]

There has been for some time a problem with certain CD-ROMs whose images were
generated using a particular tool on Acorn RISC OS. The problem is that in
certain catalogue entries, the extension separator character '/' (RISC OS
uses '.' and '/' the other way round) was not replaced with '.'; thus Linux
cannot properly parse this without this patch, thinking that it is a
directory separator.

Index: linux-2.5/fs/isofs/dir.c
===================================================================
--- linux-2.5.orig/fs/isofs/dir.c	2004-06-13 11:57:34.000000000 -0700
+++ linux-2.5/fs/isofs/dir.c	2004-06-13 12:08:57.000000000 -0700
@@ -64,7 +64,8 @@
 			break;
 
 		/* Convert remaining ';' to '.' */
-		if (c == ';')
+		/* Also '/' to '.' (broken Acorn-generated ISO9660 images) */
+		if (c == ';' || c == '/')
 			c = '.';
 
 		new[i] = c;
-
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