forked from luck/tmp_suning_uos_patched
[JFFS2] Fix writebuffer recovery in the first page of a block
For the case when nand_write_page fail with -EIO for the first page in an eraseblock, jffs2_wbuf_recover ends up producing a BUG in jffs2_block_refile as jeb->first_node is not yet set up (it's set up later in jffs2_wbuf_recover). This BUG is not really a bug; it's just jffs2_wbuf_recover calling jffs2_block_refile with the wrong second parameter. This patch takes care of this situation. Signed-off-by: Vitaly Wool <vwool@ru.mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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@ -238,7 +238,10 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
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jeb = &c->blocks[c->wbuf_ofs / c->sector_size];
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spin_lock(&c->erase_completion_lock);
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jffs2_block_refile(c, jeb, REFILE_NOTEMPTY);
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if (c->wbuf_ofs % c->mtd->erasesize)
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jffs2_block_refile(c, jeb, REFILE_NOTEMPTY);
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else
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jffs2_block_refile(c, jeb, REFILE_ANYWAY);
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spin_unlock(&c->erase_completion_lock);
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BUG_ON(!ref_obsolete(jeb->last_node));
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