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Eric Dumazet 843f77407e tcp: fix signed/unsigned comparison
Kernel test robot reported:

smatch warnings:
net/ipv4/tcp_input.c:5966 tcp_rcv_established() warn: unsigned 'reason' is never less than zero.

I actually had one packetdrill failing because of this bug,
and was about to send the fix :)

v2: Andreas Schwab also pointed out that @reason needs to be negated
    before we reach tcp_drop_reason()

Fixes: 4b506af9c5 ("tcp: add two drop reasons for tcp_ack()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-18 10:28:40 +01:00
arch
block
certs
crypto
Documentation net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131 2022-04-17 13:23:49 +01:00
drivers net: dsa: qca8k: unify bus id naming with legacy and OF mdio bus 2022-04-17 13:28:29 +01:00
fs
include tcp: add drop reason support to tcp_ofo_queue() 2022-04-17 13:31:32 +01:00
init
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net tcp: fix signed/unsigned comparison 2022-04-18 10:28:40 +01:00
samples
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tools net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131 2022-04-17 13:23:49 +01:00
usr
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.