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| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-07-29 12:28:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-29 17:08:04 +0200 |
| commit | 0912ef4855e8e463a8d724efd6bee08e9b5d3f1e (patch) | |
| tree | 01bc20e0eee0944926a08eaae961ed656d311fd4 /drivers/misc/mei/bus.c | |
| parent | 9bb3a9dddbf1ca6e062464f790a6a18052d63a4a (diff) | |
| download | linux-0912ef4855e8e463a8d724efd6bee08e9b5d3f1e.tar.gz linux-0912ef4855e8e463a8d724efd6bee08e9b5d3f1e.tar.bz2 linux-0912ef4855e8e463a8d724efd6bee08e9b5d3f1e.zip | |
mei: constify passed buffers and structures
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>
Diffstat (limited to 'drivers/misc/mei/bus.c')
| -rw-r--r-- | drivers/misc/mei/bus.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 935acc6bbf3c..09188d9afc06 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -31,7 +31,7 @@ * * Return: written size bytes or < 0 on error */ -ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length, u8 vtag, +ssize_t __mei_cl_send(struct mei_cl *cl, const u8 *buf, size_t length, u8 vtag, unsigned int mode) { struct mei_device *bus; @@ -232,8 +232,8 @@ out: * * < 0 on error */ -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) { struct mei_cl *cl = cldev->cl; @@ -296,7 +296,7 @@ EXPORT_SYMBOL_GPL(mei_cldev_recv_nonblock_vtag); * * written size in bytes * * < 0 on error */ -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) { return mei_cldev_send_vtag(cldev, buf, length, 0); } @@ -552,7 +552,7 @@ EXPORT_SYMBOL_GPL(mei_cldev_ver); * * Return: true if me client is initialized and connected */ -bool mei_cldev_enabled(struct mei_cl_device *cldev) +bool mei_cldev_enabled(const struct mei_cl_device *cldev) { return mei_cl_is_connected(cldev->cl); } @@ -771,8 +771,8 @@ EXPORT_SYMBOL_GPL(mei_cldev_disable); * Return: id on success; NULL if no id is matching */ static const -struct mei_cl_device_id *mei_cl_device_find(struct mei_cl_device *cldev, - struct mei_cl_driver *cldrv) +struct mei_cl_device_id *mei_cl_device_find(const struct mei_cl_device *cldev, + const struct mei_cl_driver *cldrv) { const struct mei_cl_device_id *id; const uuid_le *uuid; @@ -815,8 +815,8 @@ struct mei_cl_device_id *mei_cl_device_find(struct mei_cl_device *cldev, */ static int mei_cl_device_match(struct device *dev, struct device_driver *drv) { - struct mei_cl_device *cldev = to_mei_cl_device(dev); - struct mei_cl_driver *cldrv = to_mei_cl_driver(drv); + const struct mei_cl_device *cldev = to_mei_cl_device(dev); + const struct mei_cl_driver *cldrv = to_mei_cl_driver(drv); const struct mei_cl_device_id *found_id; if (!cldev) |