Revert "net: fix rds_iovec page count overflow"
This reverts commit b291661643c93044e6d4a228d3268649ccf30a0c (originally
commit 1b1f693d7ad6d193862dcb1118540a030c5e761f upstream).
I messed it up in backporting it to the .33-stable kernel, so revert it
for now and try it again the next review cycle.
Cc: Thomas Pollet <thomas.pollet@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Grover <andy.grover@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 4810a25..1fa0f4b 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -497,14 +497,6 @@
max_pages = max(nr, max_pages);
nr_pages += nr;
-
- /*
- * nr_pages for one entry is limited to (UINT_MAX>>PAGE_SHIFT)+1,
- * so tot_pages cannot overflow without first going negative.
- */
- if ((int)nr_pages < 0)
- ret = -EINVAL;
- goto out;
}
pages = kcalloc(max_pages, sizeof(struct page *), GFP_KERNEL);
