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UPSTREAM: rpmsg: Constify local variable in field store macro

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commit e5f89131a06142e91073b6959d91cea73861d40e upstream.

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

Bug: 295334746
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>
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 5c0da71871d3ac3f96d37067bf1a0ba9c25c2c72)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: If5610892601368e855ec1be57e01dbbe06ae046a
This commit is contained in:
Krzysztof Kozlowski
2023-10-31 11:25:36 +00:00
committed by Lee Jones
parent 66b73fb5b9
commit 68482b6bd9
1 changed files with 2 additions and 1 deletions
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3
drivers/rpmsg/rpmsg_core.c
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@@ -368,7 +368,8 @@ field##_store(struct device *dev, struct device_attribute *attr, \
const char *buf, size_t sz) \ const char *buf, size_t sz) \
{ \ { \
struct rpmsg_device *rpdev = to_rpmsg_device(dev); \ struct rpmsg_device *rpdev = to_rpmsg_device(dev); \
char *new, *old; \ const char *old; \
char *new; \
\ \
new = kstrndup(buf, sz, GFP_KERNEL); \ new = kstrndup(buf, sz, GFP_KERNEL); \
if (!new) \ if (!new) \