From d7694c952073bf2ebb852014d9f979b5e3e7c018 Mon Sep 17 00:00:00 2001

From: Jan Kara <jack@suse.cz>

Date: Mon, 28 May 2018 18:08:24 +0200

Subject: [PATCH] rpc: Fix wrong limit for space usage

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Limit of maximum allowable space usage for RPC transfer was wrongly set

to ~4GB instead of ~4TB due to overflow in constant initialization. Fix

it.

Signed-off-by: Jan Kara <jack@suse.cz>

Signed-off-by: Petr Písař <ppisar@redhat.com>

---

 quotaio_rpc.c | 3 ++-

 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/quotaio_rpc.c b/quotaio_rpc.c

index 6f25144..edc1e9f 100644

--- a/quotaio_rpc.c

+++ b/quotaio_rpc.c

@@ -33,7 +33,8 @@ static int rpc_init_io(struct quota_handle *h)

 #ifdef RPC

 	h->qh_info.dqi_max_b_limit = ~(uint32_t)0;

 	h->qh_info.dqi_max_i_limit = ~(uint32_t)0;

-	h->qh_info.dqi_max_b_usage = (~(uint32_t)0) << QUOTABLOCK_BITS;

+	h->qh_info.dqi_max_b_usage = ((uint64_t)(~(uint32_t)0))

+							 << QUOTABLOCK_BITS;

 	h->qh_info.dqi_max_i_usage = ~(uint32_t)0;

 	return 0;

 #else

-- 

2.14.3