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Revert "net: fix rds_iovec page count overflow"

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This reverts commit bd378dd6df (originally
commit 1b1f693d7a upstream).

I messed it up in backporting it to the .32-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>
This commit is contained in:
Greg Kroah-Hartman 2011-04-15 13:51:15 -07:00
parent 2ba8779ab2
commit 4325217a76
1 changed files with 0 additions and 8 deletions
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8
net/rds/rdma.c
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@ -473,14 +473,6 @@ static struct rds_rdma_op *rds_rdma_prepare(struct rds_sock *rs,
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);