]> www.infradead.org Git - users/jedix/linux-maple.git/commit
i2c: robotfuzz-osif: disable zero-length read messages
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 22 May 2025 06:42:35 +0000 (08:42 +0200)
committerAndi Shyti <andi@zenone.zhora.eu>
Wed, 25 Jun 2025 20:45:48 +0000 (22:45 +0200)
commit56ad91c1aa9c18064348edf69308080b03c9dc48
tree2fe6982a27fbeed8d1b2fb8b672febe2b42ea6eb
parenta5d0b9e32745277644cda8d7d334e7080bd339bf
i2c: robotfuzz-osif: disable zero-length read messages

This driver passes the length of an i2c_msg directly to
usb_control_msg(). If the message is now a read and of length 0, it
violates the USB protocol and a warning will be printed. Enable the
I2C_AQ_NO_ZERO_LEN_READ quirk for this adapter thus forbidding 0-length
read messages altogether.

Fixes: 83e53a8f120f ("i2c: Add bus driver for for OSIF USB i2c device.")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250522064234.3721-2-wsa+renesas@sang-engineering.com
drivers/i2c/busses/i2c-robotfuzz-osif.c