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Oliver Hartkopp c7cd606f60 can: Fix data length code handling in rx path ... A valid CAN dataframe can have a data length code (DLC) of 0 .. 8 data bytes. When reading the CAN controllers register the 4-bit value may contain values from 0 .. 15 which may exceed the reserved space in the socket buffer! The ISO 11898-1 Chapter 8.4.2.3 (DLC field) says that register values > 8 should be reduced to 8 without any error reporting or frame drop. This patch introduces a new helper macro to cast a given 4-bit data length code (dlc) to __u8 and ensure the DLC value to be max. 8 bytes. The different handlings in the rx path of the CAN netdevice drivers are fixed. Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>		15 years ago
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platform	can: Driver for the Microchip MCP251x SPI CAN controllers	15 years ago
Kbuild	can: CAN Network device driver and Netlink interface	16 years ago
bcm.h	headers_check fix: can/bcm.h	16 years ago
core.h	net: drop capability from protocol definitions	15 years ago
dev.h	can: Fix data length code handling in rx path	15 years ago
error.h	…
netlink.h	can: CAN Network device driver and Netlink interface	16 years ago
raw.h	…