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jffs2: Fix return value from jffs2_do_readpage_nolock()

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This fixes "kernel BUG at fs/jffs2/file.c:251!".
This pseudocode hopefully illustrates the scenario that triggers it:

jffs2_write_begin {
     jffs2_do_readpage_nolock {
         jffs2_read_inode_range {
             jffs2_read_dnode {
                 Data CRC 33c102e9 != calculated CRC 0ef77e7b for node at 005d42e4
                 return -EIO;
             }
         }
         ClearPageUptodate(pg);
         return 0;
     }
}

jffs2_write_end {
     BUG_ON(!PageUptodate(pg));
}

Signed-off-by: Anders Grafström <grfstrm@users.sourceforge.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Anders Grafström 2009-08-04 13:11:47 +02:00 committed by David Woodhouse
parent d676c11727
commit 57ca7deb06
1 changed files with 1 additions and 1 deletions
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2
fs/jffs2/file.c
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@ -99,7 +99,7 @@ static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg)
kunmap(pg);
D2(printk(KERN_DEBUG "readpage finished\n"));
return 0;
return ret;
}
int jffs2_do_readpage_unlock(struct inode *inode, struct page *pg)