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[JFFS2] Fix calculation of potential summary marker offset on NOR flash. 

Helps if we look _inside_ the buffer, rather than adding jeb->offset to
it. Doh.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2006-05-30 08:59:34 +01:00
parent f1a28c0284
commit 13ba42df4a
1 changed files with 1 additions and 1 deletions
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2
fs/jffs2/scan.c
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@ -463,7 +463,7 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo
if (!buf_size) {
/* XIP case. Just look, point at the summary if it's there */
sm = (void *)buf + jeb->offset - sizeof(*sm);
sm = (void *)buf + c->sector_size - sizeof(*sm);
if (je32_to_cpu(sm->magic) == JFFS2_SUM_MAGIC) {
sumptr = buf + je32_to_cpu(sm->offset);
sumlen = c->sector_size - je32_to_cpu(sm->offset);