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authorIngo Molnar2015-03-23 10:50:29 +0100
committerIngo Molnar2015-03-23 10:50:29 +0100
commite1b63dec2ddba654c7ca75996284e453f32d1af7 (patch)
treec48fbfdb84b4e1b6b416b0e2ce7e14cd1350c5f5 /fs/jffs2/scan.c
parentf8e617f4582995f7c25ef25b4167213120ad122b (diff)
parent746db9443ea57fd9c059f62c4bfbf41cf224fe13 (diff)
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying new patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/jffs2/scan.c')
-rw-r--r--fs/jffs2/scan.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 7654e87b0428..9ad5ba4b299b 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -510,6 +510,10 @@ 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. */
@@ -544,6 +548,7 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo
}
}
+full_scan:
buf_ofs = jeb->offset;
if (!buf_size) {