X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-android-verity.c;h=bb6c1285e499b466b3d5d2b216eb52e3c50f3965;hb=1616bc22bdc75b9ceefa06fa133949fd6bcd1c3f;hp=15ce2a81c1f4121e92f56d348781f442bf7e0caf;hpb=8a1749a461a972b09674cb72b79a942839bc4ba4;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/md/dm-android-verity.c b/drivers/md/dm-android-verity.c
index 15ce2a81c1f4..bb6c1285e499 100644
--- a/drivers/md/dm-android-verity.c
+++ b/drivers/md/dm-android-verity.c
@@ -266,10 +266,7 @@ static inline int validate_fec_header(struct fec_header *header, u64 offset)
 		le32_to_cpu(header->version) != FEC_VERSION ||
 		le32_to_cpu(header->size) != sizeof(struct fec_header) ||
 		le32_to_cpu(header->roots) == 0 ||
-		le32_to_cpu(header->roots) >= FEC_RSM ||
-		offset < le32_to_cpu(header->fec_size) ||
-		offset - le32_to_cpu(header->fec_size) !=
-		le64_to_cpu(header->inp_size))
+		le32_to_cpu(header->roots) >= FEC_RSM)
 		return -EINVAL;
 
 	return 0;