linux-kernel - [PATCH] staging: unisys: Solve sparse warning

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Date:   Wed,  3 May 2017 00:28:10 -0300
From:   Marcos Paulo de Souza <marcos.souza.org@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Marcos Paulo de Souza <marcos.souza.org@...il.com>,
        David Kershner <david.kershner@...sys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tim Sell <Timothy.Sell@...sys.com>,
        David Binder <david.binder@...sys.com>,
        Erik Arfvidson <erik.arfvidson@...sys.com>,
        Sameer Wadgaonkar <sameer.wadgaonkar@...sys.com>,
        Alexander Curtin <alexander.curtin@...sys.com>,
        sparmaintainer@...sys.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] staging: unisys: Solve sparse warning

The following commit fixes the following sparse report:

drivers/staging//unisys/visorhba/visorhba_main.c:660:29: warning: cast to restricted __le64

by casting readq (which is unsigned long on x86) to u64, as expected by the seq_printf call.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@...il.com>
---
 Just compiled tested on x86_64.

 drivers/staging/unisys/visorhba/visorhba_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c
index 6997b16..46d33e6 100644
--- a/drivers/staging/unisys/visorhba/visorhba_main.c
+++ b/drivers/staging/unisys/visorhba/visorhba_main.c
@@ -657,7 +657,7 @@ static int info_debugfs_show(struct seq_file *seq, void *v)
 		seq_printf(seq, "phys_flags_addr = 0x%016llx\n",
 			   phys_flags_addr);
 		seq_printf(seq, "FeatureFlags = %llu\n",
-			   (__le64)readq(devdata->flags_addr));
+			   (u64)readq(devdata->flags_addr));
 	}
 	seq_printf(seq, "acquire_failed_cnt = %llu\n",
 		   devdata->acquire_failed_cnt);
-- 
2.9.3