From: Stefan Raspl <raspl@linux.ibm.com>
Subject: net/smc: remove local variable page in smc_rx_splice()
Patch-mainline: v4.19-rc1
Git-commit: 48bf5231771c7e3961c8326353b6027b1bed6eb5
References: FATE#325698, LTC#167867, bsc#1113481
Description: smc: Latest upstream fixes and extensions up to 8/17/2018
Upstream-Description:
net/smc: remove local variable page in smc_rx_splice()
The page map address is already stored in the RMB descriptor.
There is no need to derive it from the cpu_addr value.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
net/smc/smc_rx.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/net/smc/smc_rx.c
+++ b/net/smc/smc_rx.c
@@ -154,10 +154,8 @@ static int smc_rx_splice(struct pipe_ino
struct splice_pipe_desc spd;
struct partial_page partial;
struct smc_spd_priv *priv;
- struct page *page;
int bytes;
- page = virt_to_page(smc->conn.rmb_desc->cpu_addr);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -169,7 +167,7 @@ static int smc_rx_splice(struct pipe_ino
spd.nr_pages_max = 1;
spd.nr_pages = 1;
- spd.pages = &page;
+ spd.pages = &smc->conn.rmb_desc->pages;
spd.partial = &partial;
spd.ops = &smc_pipe_ops;
spd.spd_release = smc_rx_spd_release;