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bnxt_en: Return proper error code for non-existent NVM variable 

For NVM params that are not supported in the current NVM
configuration, return the error as -EOPNOTSUPP.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2019-11-18 03:56:41 -05:00 committed by David S. Miller
parent e4e38237d7
commit 05069dd4c5
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
View File

@ -335,10 +335,17 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
} else {
rc = hwrm_send_message_silent(bp, msg, msg_len,
HWRM_CMD_TIMEOUT);
if (!rc)
if (!rc) {
bnxt_copy_from_nvm_data(val, data,
nvm_param.nvm_num_bits,
nvm_param.dl_num_bytes);
} else {
struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr;
if (resp->cmd_err ==
NVM_GET_VARIABLE_CMD_ERR_CODE_VAR_NOT_EXIST)
rc = -EOPNOTSUPP;
}
}
dma_free_coherent(&bp->pdev->dev, sizeof(*data), data, data_dma_addr);
if (rc == -EACCES)