Pavan Chebbi 319a7827df bnxt_en: Prevent kernel panic when receiving unexpected PHC_UPDATE event
The firmware can send PHC_RTC_UPDATE async event on a PF that may not
have PTP registered. In such a case, there will be a null pointer
deference for bp->ptp_cfg when we try to handle the event.

Fix it by not registering for this event with the firmware if !bp->ptp_cfg.
Also, check that bp->ptp_cfg is valid before proceeding when we receive
the event.

Fixes: 8bcf6f04d4 ("bnxt_en: Handle async event when the PHC is updated in RTC mode")
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-06-08 10:52:45 +02:00
2023-05-17 15:24:33 -07:00
2023-05-19 13:56:26 -04:00
2022-09-28 09:02:20 +02:00
2023-05-28 07:49:00 -04:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
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In order to build the documentation, use ``make htmldocs`` or
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    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.
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