bnxt_en: Return -EROFS to user space, if NVM writes are not permitted.

If NVRAM resources are locked, NVM writes are not permitted. In such
scenarios, firmware returns HWRM_ERR_CODE_RESOURCE_LOCKED error to
firmware commands.

Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/1602493854-29283-2-git-send-email-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 5e4b7fb..d4402a2 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4325,6 +4325,8 @@ static int bnxt_hwrm_to_stderr(u32 hwrm_err)
        switch (hwrm_err) {
        case HWRM_ERR_CODE_SUCCESS:
                return 0;
+       case HWRM_ERR_CODE_RESOURCE_LOCKED:
+               return -EROFS;
        case HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED:
                return -EACCES;
        case HWRM_ERR_CODE_RESOURCE_ALLOC_ERROR: