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mei: constify passed buffers and structures

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Buffers and structures passed to MEI bus and client API can be made
const for safer code and clear indication that it is not modified.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210729102803.46289-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Krzysztof Kozlowski 2021-07-29 12:28:03 +02:00 • committed by Greg Kroah-Hartman
parent 9bb3a9dddb
commit 0912ef4855
4 changed files with 16 additions and 15 deletions
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9
include/linux/mei_cl_bus.h
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@ -91,12 +91,13 @@ void mei_cldev_driver_unregister(struct mei_cl_driver *cldrv);
mei_cldev_driver_register,\
mei_cldev_driver_unregister)
ssize_t mei_cldev_send(struct mei_cl_device *cldev, u8 *buf, size_t length);
ssize_t mei_cldev_send(struct mei_cl_device *cldev, const u8 *buf,
size_t length);
ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length);
ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf,
size_t length);
ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,
u8 vtag);
ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, const u8 *buf,
size_t length, u8 vtag);
ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,
u8 *vtag);
ssize_t mei_cldev_recv_nonblock_vtag(struct mei_cl_device *cldev, u8 *buf,
@ -114,6 +115,6 @@ void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data);
int mei_cldev_enable(struct mei_cl_device *cldev);
int mei_cldev_disable(struct mei_cl_device *cldev);
bool mei_cldev_enabled(struct mei_cl_device *cldev);
bool mei_cldev_enabled(const struct mei_cl_device *cldev);
#endif /* _LINUX_MEI_CL_BUS_H */