Re: [PATCH v2 0/4] staging: octeon: Improve initialization error handling

From: Klara Modin

Date: Fri Jul 03 2026 - 06:43:26 EST


On 2026-07-02 12:36:13 +0530, Prashant Rahul wrote:
> Hi all,
>
> The TX and RX initialization paths currently call panic() on some
> initialization failures. Instead, these failures should be reported back
> to the probe function so that it can unwind any resources acquired during
> initialization and fail gracefully.
>
> This series replaces those panic() calls with proper error logging, propagates
> the errors to the probe function, and adds the necessary cleanup to avoid
> leaving the driver in a partially initialized state. I have not tested
> these changes as I do not own this hardware.
>
> This is my first time working with drivers, so please let me know if I
> have made any mistakes.
>
> Thank you! :3
>
> Signed-off-by: Prashant Rahul <prashantrahul23@xxxxxxxxx>

Tested-by: Klara Modin <klarasomdin@xxxxxxxxx>

> ---
> Changes in v2:
> - ethernet.c: remove unnecessary curly braces around single line for-loop
> - ethernet.c: dont mark cvm_oct_remove_device as inline
> - ethernet.c: remove unnecessary call to cvmx_pko_disable as cvmx_pko_shutdown
> already does that.
> - cover: specify no testing
>
> - Link to v1: https://lore.kernel.org/r/20260628-staging-driver-octeon-panic-v1-0-fe8c34989254@xxxxxxxxx
>
> ---
> Prashant Rahul (4):
> staging: octeon: factor out device removal into a helper
> staging: octeon: Propagate rx initialization failures
> staging: octeon: Propagate tx initialization failures
> staging: octeon: handle rx/tx initialization failures in probe
>
> drivers/staging/octeon/ethernet-rx.c | 18 ++++++----
> drivers/staging/octeon/ethernet-rx.h | 2 +-
> drivers/staging/octeon/ethernet-tx.c | 17 +++++-----
> drivers/staging/octeon/ethernet-tx.h | 2 +-
> drivers/staging/octeon/ethernet.c | 66 ++++++++++++++++++++++++++++--------
> 5 files changed, 74 insertions(+), 31 deletions(-)
> ---
> base-commit: 4e5dfb7c84012007c3c7061126491bbc92d71bf1
> change-id: 20260625-staging-driver-octeon-panic-2602ed8d5d67
>
> Best regards,
> --
> Prashant Rahul <prashantrahul23@xxxxxxxxx>
>