diff options
| -rw-r--r-- | cpukit/libfs/src/jffs2/src/scan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cpukit/libfs/src/jffs2/src/scan.c b/cpukit/libfs/src/jffs2/src/scan.c index 1cfa548335..10bf007819 100644 --- a/cpukit/libfs/src/jffs2/src/scan.c +++ b/cpukit/libfs/src/jffs2/src/scan.c @@ -513,6 +513,10 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo sumlen = c->sector_size - je32_to_cpu(sm->offset); sumptr = buf + buf_size - sumlen; + /* sm->offset maybe wrong but MAGIC maybe right */ + if (sumlen > c->sector_size) + goto full_scan; + /* Now, make sure the summary itself is available */ if (sumlen > buf_size) { /* Need to kmalloc for this. */ @@ -547,6 +551,7 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo } } +full_scan: buf_ofs = jeb->offset; if (!buf_size) { |