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-rw-r--r--drivers/misc/sgi-xp/xpc_sn2.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index a760dd08e425..eaaa964942de 100644
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -1744,20 +1744,20 @@ xpc_clear_remote_msgqueue_flags_sn2(struct xpc_channel *ch)
1744{ 1744{
1745 struct xpc_channel_sn2 *ch_sn2 = &ch->sn.sn2; 1745 struct xpc_channel_sn2 *ch_sn2 = &ch->sn.sn2;
1746 struct xpc_msg_sn2 *msg; 1746 struct xpc_msg_sn2 *msg;
1747 s64 put; 1747 s64 put, remote_nentries = ch->remote_nentries;
1748 1748
1749 /* flags are zeroed when the buffer is allocated */ 1749 /* flags are zeroed when the buffer is allocated */
1750 if (ch_sn2->remote_GP.put < ch->remote_nentries) 1750 if (ch_sn2->remote_GP.put < remote_nentries)
1751 return; 1751 return;
1752 1752
1753 put = max(ch_sn2->w_remote_GP.put, ch->remote_nentries); 1753 put = max(ch_sn2->w_remote_GP.put, remote_nentries);
1754 do { 1754 do {
1755 msg = (struct xpc_msg_sn2 *)((u64)ch_sn2->remote_msgqueue + 1755 msg = (struct xpc_msg_sn2 *)((u64)ch_sn2->remote_msgqueue +
1756 (put % ch->remote_nentries) * 1756 (put % remote_nentries) *
1757 ch->entry_size); 1757 ch->entry_size);
1758 DBUG_ON(!(msg->flags & XPC_M_SN2_READY)); 1758 DBUG_ON(!(msg->flags & XPC_M_SN2_READY));
1759 DBUG_ON(!(msg->flags & XPC_M_SN2_DONE)); 1759 DBUG_ON(!(msg->flags & XPC_M_SN2_DONE));
1760 DBUG_ON(msg->number != put - ch->remote_nentries); 1760 DBUG_ON(msg->number != put - remote_nentries);
1761 msg->flags = 0; 1761 msg->flags = 0;
1762 } while (++put < ch_sn2->remote_GP.put); 1762 } while (++put < ch_sn2->remote_GP.put);
1763} 1763}