[PATCH 2/6] rpmsg: Constify local variable in field store macro

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

commit e5f89131a06142e91073b6959d91cea73861d40e upstream.

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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220419113435.246203-12-krzysztof.kozlowski@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Change-Id: Idb5da2db59b6abbd666ec30372049cdc66014a2f
---
 drivers/rpmsg/rpmsg_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index a71de08acc7b9..c544dee0b5dd9 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -376,7 +376,8 @@ 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)							\
-- 
2.42.0.820.g83a721a137-goog




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux