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5 Commits

Author SHA1 Message Date
Christian Gromm
ceea934448 drivers: most: add character device interface driver 
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>
 2020-09-07 15:16:26 +02:00
Christian Gromm
97a6f772f3 drivers: most: add USB adapter driver 
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>
 2020-07-31 14:38:12 +02:00
Colin Ian King
e4463e49e2 staging: most: avoid null pointer dereference when iface is null 
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: 57562a7241 ("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>
 2020-06-25 15:41:17 +02:00
Christian Gromm
5e56bc06e1 most: core: use function subsys_initcall() 
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>
 2020-04-28 15:04:09 +02:00
Christian Gromm
b276527539 staging: most: move core files out of the staging area 
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>
 2020-03-24 13:42:44 +01:00