From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Tue, 19 Apr 2022 11:34:34 +0000 (+0200)
Subject: rpmsg: Constify local variable in field store macro
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e5f89131a06142e91073b6959d91cea73861d40e;p=linux.git

rpmsg: Constify local variable in field store macro

Memory pointed by variable 'old' in field store macro is not modified,
so it can be made a pointer to const.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220419113435.246203-12-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 79368a957d89c..95fc283f6af78 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -400,7 +400,8 @@ field##_store(struct device *dev, struct device_attribute *attr,	\
 	      const char *buf, size_t sz)				\
 {									\
 	struct rpmsg_device *rpdev = to_rpmsg_device(dev);		\
-	char *new, *old;						\
+	const char *old;						\
+	char *new;							\
 									\
 	new = kstrndup(buf, sz, GFP_KERNEL);				\
 	if (!new)							\