From: Evgeniy <[email protected]>
There's a lack of parenthesis in fs/ufs/utils.h, so instead of the 512th
byte of buffer, the usb2 pointer will point to the nth structure of type
ufs_super_block_second.
This can cause a mount-time oops if you're unlucky (especially with
DEBUG_PAGEALLOC, which is how Alexey Dobriyan saw this problem)
Signed-off-by: Evgeniy Dushistov <[email protected]>
Acked-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
---
--- a/fs/ufs/util.h
+++ b/fs/ufs/util.h
@@ -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)-> \
-
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