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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: <dev@dpdk.org>
Cc: Andy Moreton <amoreton@solarflare.com>, <stable@dpdk.org>
Subject: [dpdk-dev] [PATCH 26/37] net/sfc/base: fix ID retrival in v3 licensing
Date: Mon, 10 Sep 2018 10:33:25 +0100	[thread overview]
Message-ID: <1536572016-18134-27-git-send-email-arybchenko@solarflare.com> (raw)
In-Reply-To: <1536572016-18134-1-git-send-email-arybchenko@solarflare.com>

From: Andy Moreton <amoreton@solarflare.com>

Fixes: 05fce2ce8451 ("net/sfc/base: import libefx licensing")
Fixes: f67e4719147d ("net/sfc/base: fix coding style")
Cc: stable@dpdk.org

Signed-off-by: Andy Moreton <amoreton@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/sfc/base/efx_lic.c | 39 ++++++++--------------------------
 1 file changed, 9 insertions(+), 30 deletions(-)

diff --git a/drivers/net/sfc/base/efx_lic.c b/drivers/net/sfc/base/efx_lic.c
index 2a6da2647..4081aef1b 100644
--- a/drivers/net/sfc/base/efx_lic.c
+++ b/drivers/net/sfc/base/efx_lic.c
@@ -983,26 +983,14 @@ efx_mcdi_licensing_v3_get_id(
 {
 	efx_mcdi_req_t req;
 	EFX_MCDI_DECLARE_BUF(payload, MC_CMD_LICENSING_GET_ID_V3_IN_LEN,
-		MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN);
+		MC_CMD_LICENSING_GET_ID_V3_OUT_LENMAX);
 	efx_rc_t rc;
 
 	req.emr_cmd = MC_CMD_LICENSING_GET_ID_V3;
-
-	if (bufferp == NULL) {
-		/* Request id type and length only */
-		req.emr_in_buf = bufferp;
-		req.emr_in_length = MC_CMD_LICENSING_GET_ID_V3_IN_LEN;
-		req.emr_out_buf = bufferp;
-		req.emr_out_length = MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN;
-	} else {
-		/* Request full buffer */
-		req.emr_in_buf = bufferp;
-		req.emr_in_length = MC_CMD_LICENSING_GET_ID_V3_IN_LEN;
-		req.emr_out_buf = bufferp;
-		req.emr_out_length =
-		    MIN(buffer_size, MC_CMD_LICENSING_GET_ID_V3_OUT_LENMAX);
-		(void) memset(bufferp, 0, req.emr_out_length);
-	}
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_LICENSING_GET_ID_V3_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_LICENSING_GET_ID_V3_OUT_LENMAX;
 
 	efx_mcdi_execute_quiet(enp, &req);
 
@@ -1020,19 +1008,10 @@ efx_mcdi_licensing_v3_get_id(
 	*lengthp =
 	    MCDI_OUT_DWORD(req, LICENSING_GET_ID_V3_OUT_LICENSE_ID_LENGTH);
 
-	if (bufferp == NULL) {
-		/*
-		 * Modify length requirements to indicate to caller the extra
-		 * buffering needed to read the complete output.
-		 */
-		*lengthp += MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN;
-	} else {
-		/* Shift ID down to start of buffer */
-		memmove(bufferp,
-		    bufferp + MC_CMD_LICENSING_GET_ID_V3_OUT_LICENSE_ID_OFST,
-		    *lengthp);
-		memset(bufferp + (*lengthp), 0,
-		    MC_CMD_LICENSING_GET_ID_V3_OUT_LICENSE_ID_OFST);
+	if (bufferp != NULL) {
+		memcpy(bufferp,
+		    payload + MC_CMD_LICENSING_GET_ID_V3_OUT_LICENSE_ID_OFST,
+		    MIN(buffer_size, *lengthp));
 	}
 
 	return (0);
-- 
2.17.1

  parent reply	other threads:[~2018-09-10  9:33 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-10  9:32 [dpdk-dev] [PATCH 00/37] net/sfc: update base driver Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 01/37] net/sfc/base: fix PreFAST warnings because of unused return Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 02/37] net/sfc/base: fix invalid order of memset arguments Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 03/37] net/sfc/base: fix output buffer SAL annotation Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 04/37] net/sfc/base: highlight that image layout header generated Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 05/37] net/sfc/base: fix erroneous SAL annotation for input buffers Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 06/37] net/sfc/base: properly align on line continuation Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 07/37] net/sfc/base: add space after sizeof Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 08/37] net/sfc/base: fix build failure because of no declaration Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 09/37] net/sfc/base: add more definitions of partitions Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 10/37] net/sfc/base: fix outer IPID field in TSO option descriptors Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 11/37] net/sfc/base: move empty efsys definitions to EFX headers Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 12/37] net/sfc/base: add check for TUNNEL module in NIC reset API Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 13/37] net/sfc/base: refactor monitors support Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 14/37] net/sfc/base: remove probes when a Tx queue is too full Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 15/37] net/sfc/base: add generated description of sensors Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 16/37] net/sfc/base: check size of memory to read sensors data to Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 17/37] net/sfc/base: add API to retrieve sensor limits Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 18/37] net/sfc/base: add buffer editing functions to boot config Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 19/37] net/sfc/base: add accessor for default port mode Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 20/37] net/sfc/base: generalise EF10 NVRAM buffer interface Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 21/37] net/sfc/base: avoid usage of too big arrays on stack Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 22/37] net/sfc/base: add information if TSO workaround is required Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 23/37] net/sfc/base: fix out of bounds read when dereferencing sdup Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 24/37] net/sfc/base: add routine to check for hardware presence Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 25/37] net/sfc/base: add API to inform libefx of hardware removal Andrew Rybchenko
2018-09-10  9:33 ` Andrew Rybchenko [this message]
2018-09-10  9:33 ` [dpdk-dev] [PATCH 27/37] net/sfc/base: prevent access to the NIC config before probe Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 28/37] net/sfc/base: fix name of the argument to store RSS flags Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 29/37] net/sfc/base: fix a typo in unicast filter insertion comment Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 30/37] net/sfc/base: add support to get active FEC type Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 31/37] net/sfc/base: use simpler code to check hash algorithm type Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 32/37] net/sfc/base: check buffer size for hash flags Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 33/37] net/sfc/base: simplify the code to parse RSS hash type Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 34/37] net/sfc/base: improve handling of legacy RSS hash flags Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 35/37] net/sfc/base: modify phy caps to indicate FEC request Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 36/37] net/sfc/base: fix MAC Tx stats for less or equal to 64 bytes Andrew Rybchenko
2018-09-10  9:33 ` [dpdk-dev] [PATCH 37/37] net/sfc/base: add helper API to make Geneve filter spec Andrew Rybchenko
2018-09-21 10:28 ` [dpdk-dev] [PATCH 00/37] net/sfc: update base driver Ferruh Yigit

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