Re: problem mounting a jffs2 filesystem

[David Woodhouse]

On Sun, 2006-03-05 at 14:04 +0100, Miguel Blanco wrote:
>  divide error: 0000 [#1]
>  EIP is at jffs2_scan_medium+0xdf/0x55e [jffs2]

Can you try it with the attached patch? Or turn off
CONFIG_JFFS2_FS_WRITEBUFFER

-- 
dwmw2
> --- Begin Message ---
> Update of /home/cvs/mtd/fs/jffs2
> In directory phoenix.infradead.org:/tmp/cvs-serv28853
>
> Modified Files:
> 	scan.c 
> Log Message:
> Avoid divide-by-zero
>
> Index: scan.c
> ===================================================================
> RCS file: /home/cvs/mtd/fs/jffs2/scan.c,v
> retrieving revision 1.134
> retrieving revision 1.135
> diff -u -r1.134 -r1.135
> --- scan.c	13 Jan 2006 10:25:29 -0000	1.134
> +++ scan.c	9 Feb 2006 16:12:59 -0000	1.135
> @@ -239,7 +239,7 @@
>  		c->nextblock->dirty_size = 0;
>  	}
>  #ifdef CONFIG_JFFS2_FS_WRITEBUFFER
> -	if (!jffs2_can_mark_obsolete(c) && c->nextblock && (c->nextblock->free_size % c->wbuf_pagesize)) {
> +	if (!jffs2_can_mark_obsolete(c) && c->wbuf_pagesize && c->nextblock && (c->nextblock->free_size % c->wbuf_pagesize)) {
>  		/* If we're going to start writing into a block which already
>  		   contains data, and the end of the data isn't page-aligned,
>  		   skip a little and align it. */
>
>
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> --- End Message ---