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6b6bd19992
can_validate() does a first check:
| if (is_can_fd) {
| if (!data[IFLA_CAN_BITTIMING] || !data[IFLA_CAN_DATA_BITTIMING])
| return -EOPNOTSUPP;
| }
If that first if succeeds, we know that if is_can_fd is true then
data[IFLA_CAN_BITTIMING is set.
However, the next if switch does not leverage on above knowledge and
redoes the check:
| if (data[IFLA_CAN_DATA_BITTIMING]) {
| if (!is_can_fd || !data[IFLA_CAN_BITTIMING])
| ^~~~~~~~~~~~~~~~~~~~~~~~
| return -EOPNOTSUPP;
| }
This patch removes that redundant check.
Link: https://lore.kernel.org/r/20210603151550.140727-2-mailhol.vincent@wanadoo.fr
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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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.