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* most: core: Constify static attribute_group structsRikard Falkeborn2021-01-261-3/+3
| | | | | | | | | | The only usage of these is to put their addresses in arrays of pointers to const attribute_groups. Make them const to allow the compiler to put them in read-only memory. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Link: https://lore.kernel.org/r/20210108221512.18811-1-rikard.falkeborn@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* drivers: most: add character device interface driverChristian Gromm2020-09-073-0/+553
| | | | | | | | | This patch adds the character device (cdev) driver source file most_cdev.c and modifies the Makefiles and Kconfigs accordingly. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Link: https://lore.kernel.org/r/1597922595-27493-1-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* drivers: most: add USB adapter driverChristian Gromm2020-07-313-0/+1183
| | | | | | | | | This patch adds the USB driver source file most_usb.c and modifies the Makefile and Kconfig accordingly. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Link: https://lore.kernel.org/r/1596198058-26541-1-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: most: avoid null pointer dereference when iface is nullColin Ian King2020-06-251-3/+1
| | | | | | | | | | | | | | In the case where the pointer iface is null then the reporting of this error will dereference iface when printing an error message causing which is not ideal. Since the majority of callers to most_register_interface report an error when -EINVAL is returned a simple fix is to just remove the error message, I doubt it will be missed. Addresses-Coverity: ("Dereference after null check") Fixes: 57562a72414c ("Staging: most: add MOST driver's core module") Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20200624163957.11676-1-colin.king@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* most: core: use function subsys_initcall()Christian Gromm2020-04-281-1/+1
| | | | | | | | | | | | | This patch replaces function module_init() with subsys_initcall(). It is needed to ensure that the core module of the driver is initialized before a component tries to register with the core. This leads to a NULL pointer dereference if the driver is configured as in-tree. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/r/1587741394-22021-1-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: most: move core files out of the staging areaChristian Gromm2020-03-244-0/+2233
This patch moves the core module to the /drivers/most directory and makes all necessary changes in order to not break the build. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Link: https://lore.kernel.org/r/1583845362-26707-2-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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