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rpmsg: Constify local variable in field store macro

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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>
This commit is contained in:
Krzysztof Kozlowski 2022-04-19 13:34:34 +02:00 committed by Greg Kroah-Hartman
parent 0f4b20ef41
commit e5f89131a0
1 changed files with 2 additions and 1 deletions
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3
drivers/rpmsg/rpmsg_core.c
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@ -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) \