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Re: [PATCH v2 20/42] esp: remove the buf and buflen parameters from get_
From: |
Laurent Vivier |
Subject: |
Re: [PATCH v2 20/42] esp: remove the buf and buflen parameters from get_cmd() |
Date: |
Tue, 2 Mar 2021 18:03:51 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 |
Le 09/02/2021 à 20:29, Mark Cave-Ayland a écrit :
> Now that all SCSI commands are accumulated in cmdbuf, remove the buf and
> buflen
> parameters from get_cmd() since these always reference cmdbuf and
> ESP_CMDBUF_SZ
> respectively.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
> hw/scsi/esp.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
> index bb467fbcdf..7055520a26 100644
> --- a/hw/scsi/esp.c
> +++ b/hw/scsi/esp.c
> @@ -236,15 +236,16 @@ static int get_cmd_cb(ESPState *s)
> return 0;
> }
>
> -static uint32_t get_cmd(ESPState *s, uint8_t *buf, uint8_t buflen)
> +static uint32_t get_cmd(ESPState *s)
> {
> + uint8_t *buf = s->cmdbuf;
> uint32_t dmalen;
> int target;
>
> target = s->wregs[ESP_WBUSID] & BUSID_DID;
> if (s->dma) {
> dmalen = esp_get_tc(s);
> - if (dmalen > buflen) {
> + if (dmalen > ESP_CMDBUF_SZ) {
> return 0;
> }
> if (s->dma_memory_read) {
> @@ -323,7 +324,7 @@ static void handle_satn(ESPState *s)
> return;
> }
> s->pdma_cb = satn_pdma_cb;
> - s->cmdlen = get_cmd(s, s->cmdbuf, sizeof(s->cmdbuf));
> + s->cmdlen = get_cmd(s);
> if (s->cmdlen) {
> do_cmd(s);
> } else {
> @@ -349,7 +350,7 @@ static void handle_s_without_atn(ESPState *s)
> return;
> }
> s->pdma_cb = s_without_satn_pdma_cb;
> - s->cmdlen = get_cmd(s, s->cmdbuf, sizeof(s->cmdbuf));
> + s->cmdlen = get_cmd(s);
> if (s->cmdlen) {
> do_busid_cmd(s, s->cmdbuf, 0);
> } else {
> @@ -380,7 +381,7 @@ static void handle_satn_stop(ESPState *s)
> return;
> }
> s->pdma_cb = satn_stop_pdma_cb;
> - s->cmdlen = get_cmd(s, s->cmdbuf, sizeof(s->cmdbuf));
> + s->cmdlen = get_cmd(s);
> if (s->cmdlen) {
> trace_esp_handle_satn_stop(s->cmdlen);
> s->do_cmd = 1;
>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
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