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The code checks whether the skb had one-step TX timestamping enabled, in order to schedule the work item for emptying the priv->tx_skbs queue. That code checks for "tx_swbd->skb" directly, when we already had a skb retrieved using enetc_tx_swbd_get_skb(tx_swbd) - a TX software BD can also hold an XDP_TX packet or an XDP frame. But since the direct tx_swbd dereference is in an "if" block guarded by the non-NULL quality of "skb", accessing "tx_swbd->skb" directly is not wrong, just confusing. Just use the local variable named "skb". Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com> 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 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.