diff options
Diffstat (limited to 'sys/dev/sfxge/common/efx_nvram.c')
| -rw-r--r-- | sys/dev/sfxge/common/efx_nvram.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/sys/dev/sfxge/common/efx_nvram.c b/sys/dev/sfxge/common/efx_nvram.c index b18ed4a91104..08ff3f02cb7c 100644 --- a/sys/dev/sfxge/common/efx_nvram.c +++ b/sys/dev/sfxge/common/efx_nvram.c @@ -898,23 +898,27 @@ efx_mcdi_nvram_write( __in size_t size) { efx_mcdi_req_t req; - uint8_t payload[MAX(MCDI_CTL_SDU_LEN_MAX_V1, - MCDI_CTL_SDU_LEN_MAX_V2)]; + uint8_t *payload; efx_rc_t rc; size_t max_data_size; + size_t payload_len = enp->en_nic_cfg.enc_mcdi_max_payload_length; - max_data_size = enp->en_nic_cfg.enc_mcdi_max_payload_length - - MC_CMD_NVRAM_WRITE_IN_LEN(0); - EFSYS_ASSERT3U(enp->en_nic_cfg.enc_mcdi_max_payload_length, >, 0); - EFSYS_ASSERT3U(max_data_size, <, - enp->en_nic_cfg.enc_mcdi_max_payload_length); + max_data_size = payload_len - MC_CMD_NVRAM_WRITE_IN_LEN(0); + EFSYS_ASSERT3U(payload_len, >, 0); + EFSYS_ASSERT3U(max_data_size, <, payload_len); if (size > max_data_size) { rc = EINVAL; goto fail1; } - (void) memset(payload, 0, sizeof (payload)); + EFSYS_KMEM_ALLOC(enp->en_esip, payload_len, payload); + if (payload == NULL) { + rc = ENOMEM; + goto fail2; + } + + (void) memset(payload, 0, payload_len); req.emr_cmd = MC_CMD_NVRAM_WRITE; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_NVRAM_WRITE_IN_LEN(size); @@ -932,11 +936,16 @@ efx_mcdi_nvram_write( if (req.emr_rc != 0) { rc = req.emr_rc; - goto fail2; + goto fail3; } + EFSYS_KMEM_FREE(enp->en_esip, payload_len, payload); + return (0); +fail3: + EFSYS_PROBE(fail3); + EFSYS_KMEM_FREE(enp->en_esip, payload_len, payload); fail2: EFSYS_PROBE(fail2); fail1: |