[PATCH 2.6.15] Re: Oops in ufs_fill_super at mount time

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On Fri, Jan 13, 2006 at 03:54:50AM +0300, Alexey Dobriyan wrote:
> Version 2.6.15-43ecb9a33ba8c93ebbda81d48ca05f0d1bbf9056
> 
> Actually more or less latest -git is affected too, but
> I'm sick of recompiling right now so please wait for bisecting results.
> 
> It's random wrt one mount of UFS, but several mount/umounts in a row
> reproduce it reliably:
> 

I suppose problem in a couple of brackets in fs/ufs/utils.h,
instead of 512th byte of buffer, usb2 point to nth structure of
type ufs_super_block_second.

This patch fix problem for me, 
can you test it?

Signed-off-by: Evgeniy Dushistov <[email protected]>

---

--- linux-2.6.15/fs/ufs/util.h.orig	2006-01-13 17:33:49.123946250 +0300
+++ linux-2.6.15/fs/ufs/util.h	2006-01-13 17:35:50.127508500 +0300
@@ -255,8 +255,8 @@ extern void _ubh_memcpyubh_(struct ufs_s
 	((struct ufs_super_block_first *)((ubh)->bh[0]->b_data))
 
 #define ubh_get_usb_second(ubh) \
-	((struct ufs_super_block_second *)(ubh)-> \
-	bh[UFS_SECTOR_SIZE >> uspi->s_fshift]->b_data + (UFS_SECTOR_SIZE & ~uspi->s_fmask))
+	((struct ufs_super_block_second *)((ubh)->\
+					   bh[UFS_SECTOR_SIZE >> uspi->s_fshift]->b_data + (UFS_SECTOR_SIZE & ~uspi->s_fmask)))
 
 #define ubh_get_usb_third(ubh) \
 	((struct ufs_super_block_third *)((ubh)-> \

-- 
/Evgeniy

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