[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 42c1ff21d352..61618080b86f 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -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);