From: chakravarthikulkarni <chakravarthikulkarni2021@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: chakravarthikulkarni2021@gmail.com,
Ian Abbott <abbotti@mev.co.uk>,
H Hartley Sweeten <hsweeten@visionengravers.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ethan Edwards <ethancarteredwards@gmail.com>,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drivers: staging: comedi: Fixed side effects from macro definition.
Date: Wed, 17 Feb 2021 19:50:05 +0530 [thread overview]
Message-ID: <20210217142008.29699-1-chakravarthikulkarni2021@gmail.com> (raw)
Warning found by checkpatch.pl script.
Signed-off-by: chakravarthikulkarni <chakravarthikulkarni2021@gmail.com>
---
drivers/staging/comedi/comedi.h | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index b5d00a006dbb..b2af6a88d389 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -1103,9 +1103,12 @@ enum ni_common_signal_names {
/* *** END GLOBALLY-NAMED NI TERMINALS/SIGNALS *** */
-#define NI_USUAL_PFI_SELECT(x) (((x) < 10) ? (0x1 + (x)) : (0xb + (x)))
-#define NI_USUAL_RTSI_SELECT(x) (((x) < 7) ? (0xb + (x)) : 0x1b)
-
+#define NI_USUAL_PFI_SELECT(x) \
+ ({ typeof(x) _x = x; \
+ (((_x) < 10) ? (0x1 + (_x)) : (0xb + (_x))); })
+#define NI_USUAL_RTSI_SELECT(x) \
+ ({ typeof(x) _x = x; \
+ (((_x) < 7) ? (0xb + (_x)) : 0x1b); })
/*
* mode bits for NI general-purpose counters, set with
* INSN_CONFIG_SET_COUNTER_MODE
--
2.17.1
next reply other threads:[~2021-02-17 14:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-17 14:20 chakravarthikulkarni [this message]
2021-02-18 10:13 ` [PATCH] drivers: staging: comedi: Fixed side effects from macro definition Ian Abbott
[not found] ` <CAEwrQWZEXYJDsTDiOAZLOr5jLXXyuZamwqRMquCyBdYPa8anow@mail.gmail.com>
2021-02-24 7:30 ` Greg Kroah-Hartman
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