NFSv4: Fix acl buffer size
resp_len is passed in as buffer size to decode routine; make sure it's
set right in case where userspace provides less than a page's worth of
buffer.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ff37812..2d9357c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2357,7 +2357,7 @@
return -ENOMEM;
args.acl_pages[0] = localpage;
args.acl_pgbase = 0;
- args.acl_len = PAGE_SIZE;
+ resp_len = args.acl_len = PAGE_SIZE;
} else {
resp_buf = buf;
buf_to_pages(buf, buflen, args.acl_pages, &args.acl_pgbase);