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authorVasundhara Volam <vasundhara-v.volam@broadcom.com>2019-11-18 03:56:41 -0500
committerDavid S. Miller <davem@davemloft.net>2019-11-18 17:13:28 -0800
commit05069dd4c577f9b143dfd243d55834333c4470c5 (patch)
tree9d9a86edcf2ea503689764dc38c0fc92d0bbe67b
parente4e38237d7e39e84d4db4a5cf0aa1ce7fbfaa5d6 (diff)
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>
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index d85e439e9490..707827176231 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -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)