bnxt_en: Return -EAGAIN if fw command returns BUSY

If firmware command returns error code as HWRM_ERR_CODE_BUSY, which
means it cannot handle the command due to a conflicting command
from another function, convert it to -EAGAIN.  If it is an ethtool
operation, this error code will be returned to userspace.

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>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index e5da60a..02ac718 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4161,6 +4161,7 @@ static int bnxt_hwrm_to_stderr(u32 hwrm_err)
        case HWRM_ERR_CODE_NO_BUFFER:
                return -ENOMEM;
        case HWRM_ERR_CODE_HOT_RESET_PROGRESS:
+       case HWRM_ERR_CODE_BUSY:
                return -EAGAIN;
        case HWRM_ERR_CODE_CMD_NOT_SUPPORTED:
                return -EOPNOTSUPP;