On Wed, Jul 20, 2022 at 02:30:36PM -0500, Eddie James wrote:
> Retrying for checksum failure doesn't work since the response length
> gets zeroed out in the submit function. Fix this by resetting the
> response length to its original value before the retry.
>
> Fixes: c27b98ca0edb ("hwmon (occ): Retry for checksum failure")
> Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxx>
Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>
I assume this patch will be applied with the patch introducing the problem.
If not, I'll apply it after the next commit window closes.
Thanks,
Guenter
> ---
> drivers/hwmon/occ/p9_sbe.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/hwmon/occ/p9_sbe.c b/drivers/hwmon/occ/p9_sbe.c
> index 4a1fe4ee8e2c..f3791a589b01 100644
> --- a/drivers/hwmon/occ/p9_sbe.c
> +++ b/drivers/hwmon/occ/p9_sbe.c
> @@ -82,6 +82,7 @@ static bool p9_sbe_occ_save_ffdc(struct p9_sbe_occ *ctx, const void *resp,
> static int p9_sbe_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len,
> void *resp, size_t resp_len)
> {
> + size_t original_resp_len = resp_len;
> struct p9_sbe_occ *ctx = to_p9_sbe_occ(occ);
> int rc, i;
>
> @@ -97,6 +98,7 @@ static int p9_sbe_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len,
> }
> if (rc != -EBADE)
> return rc;
> + resp_len = original_resp_len;
> }
>
> switch (((struct occ_response *)resp)->return_status) {
