From: Kinglong Mee Date: Thu, 14 Jul 2016 04:01:28 +0000 (+0800) Subject: nfs/blocklayout: Make sure calculate signature length aligned X-Git-Tag: v4.8-rc1~87^2~5^2~17 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ecc2b88c4a48cbabb3ed7617f55e92c123fb634b;p=linux.git nfs/blocklayout: Make sure calculate signature length aligned Avoid a bad nfs server return an unaligned length of signature. Signed-off-by: Kinglong Mee Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/blocklayout/dev.c b/fs/nfs/blocklayout/dev.c index 436bb303d856..7d9f570e1b52 100644 --- a/fs/nfs/blocklayout/dev.c +++ b/fs/nfs/blocklayout/dev.c @@ -89,7 +89,8 @@ nfs4_block_decode_volume(struct xdr_stream *xdr, struct pnfs_block_volume *b) memcpy(&b->simple.sigs[i].sig, p, b->simple.sigs[i].sig_len); - b->simple.len += 8 + 4 + b->simple.sigs[i].sig_len; + b->simple.len += 8 + 4 + \ + (XDR_QUADLEN(b->simple.sigs[i].sig_len) << 2); } break; case PNFS_BLOCK_VOLUME_SLICE: