linux-kernel - [PATCH 1/2] iopoll: Avoid namespace collision within macros

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Date:   Thu, 27 Oct 2016 10:33:18 +0100
From:   Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
To:     mattw@...eaurora.org, mitchelh@...eaurora.org, broonie@...nel.org,
        linux-kernel@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org, chris.paterson2@...esas.com,
        Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
Subject: [PATCH 1/2] iopoll: Avoid namespace collision within macros

Renamed variable "timeout" to "__timeout" to avoid namespace collision.

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
---
 include/linux/iopoll.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index 1c30014..e237d01 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -42,13 +42,13 @@
  */
 #define readx_poll_timeout(op, addr, val, cond, sleep_us, timeout_us)	\
 ({ \
-	ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \
+	ktime_t __timeout = ktime_add_us(ktime_get(), timeout_us); \
 	might_sleep_if(sleep_us); \
 	for (;;) { \
 		(val) = op(addr); \
 		if (cond) \
 			break; \
-		if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
+		if (timeout_us && ktime_compare(ktime_get(), __timeout) > 0) { \
 			(val) = op(addr); \
 			break; \
 		} \
@@ -77,12 +77,12 @@
  */
 #define readx_poll_timeout_atomic(op, addr, val, cond, delay_us, timeout_us) \
 ({ \
-	ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \
+	ktime_t __timeout = ktime_add_us(ktime_get(), timeout_us); \
 	for (;;) { \
 		(val) = op(addr); \
 		if (cond) \
 			break; \
-		if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
+		if (timeout_us && ktime_compare(ktime_get(), __timeout) > 0) { \
 			(val) = op(addr); \
 			break; \
 		} \
-- 
1.9.1