linux-kernel - [PATCH] paride: fix up build warning on mips platforms

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Date:   Tue, 30 Nov 2021 09:46:26 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     tim@...erelk.net, axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] paride: fix up build warning on mips platforms

MIPS include files define "PC" so when building the paride driver the
following build warning shows up:

	rivers/block/paride/bpck.c:32: warning: "PC" redefined

Fix this by undefining PC before redefining it as is done for other
defines in this driver.

Cc: Tim Waugh <tim@...erelk.net>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: linux-block@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/block/paride/bpck.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/paride/bpck.c b/drivers/block/paride/bpck.c
index f5f63ca2889d..d880a9465e9b 100644
--- a/drivers/block/paride/bpck.c
+++ b/drivers/block/paride/bpck.c
@@ -28,6 +28,7 @@
 
 #undef r2
 #undef w2
+#undef PC
 
 #define PC			pi->private
 #define r2()			(PC=(in_p(2) & 0xff))
-- 
2.34.1