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7ed352d34f
-EINVAL will interrupt the dump. The correct error to return
if we have more data to dump is -EMSGSIZE.
Discovered by doing:
for i in `seq 80`; do ip link add type veth; done
./cli.py --dbg-small-recv 5300 --spec netdev.yaml --dump dev-get >> /dev/null
[...]
nl_len = 64 (48) nl_flags = 0x0 nl_type = 19
nl_len = 20 (4) nl_flags = 0x2 nl_type = 3
error: -22
Fixes: d3d854fd6a ("netdev-genl: create a simple family for netdev stuff")
Reviewed-by: Amritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240613213044.3675745-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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 reStructuredText 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.