[PATCH] net: stmmac: fix oops when split header is enabled

[Simon Horman]

On Mon, Dec 01, 2025 at 09:54:16PM -0500, Jie Zhang wrote:
> For GMAC4, when split header is enabled, in some rare cases, the
> hardware does not fill buf2 of the first descriptor with payload.
> Thus we cannot assume buf2 is always fully filled if it is not
> the last descriptor. Otherwise, the length of buf2 of the second
> descriptor will be calculated wrong and cause an oops:

...

As a bug fix this should have a Fixes tag here
(no blank line between it and your Signed-off-by line).
As a rule of thumb, it should cite the patch where
the bug was introduced.

Perhaps in this case the following is appropriate:

Fixes: ec222003bd94 ("net: stmmac: Prepare to add Split Header support")

> Signed-off-by: Jie Zhang <jie.zhang at analog.com>