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Harshit Mogalapalli 748b2f5e82 ca8210: Fix unsigned mac_len comparison with zero in ca8210_skb_tx()
mac_len is of type unsigned, which can never be less than zero.

	mac_len = ieee802154_hdr_peek_addrs(skb, &header);
	if (mac_len < 0)
		return mac_len;

Change this to type int as ieee802154_hdr_peek_addrs() can return negative
integers, this is found by static analysis with smatch.

Fixes: 6c993779ea ("ca8210: fix mac_len negative array access")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230306191824.4115839-1-harshit.m.mogalapalli@oracle.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
History 2023-03-16 17:28:27 +01:00
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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.