[PATCH v2 net-next 5/9] bnxt_en: return proper error when FW returns HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED
From: Vasundhara Volam <hidden>
Date: 2018-09-24 11:26:00
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Return proper error code when Firmware returns HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED for HWRM_NVM_GET/SET_VARIABLE commands. Cc: Michael Chan <michael.chan@broadcom.com> Signed-off-by: Vasundhara Volam <redacted> --- drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index 58e3061..1b25e3a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c@@ -77,8 +77,12 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg, memcpy(buf, data_addr, bytesize); dma_free_coherent(&bp->pdev->dev, bytesize, data_addr, data_dma_addr); - if (rc) + if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) { + netdev_err(bp->dev, "PF does not have admin privileges to modify NVM config\n"); + return -EACCES; + } else if (rc) { return -EIO; + } return 0; }
--
1.8.3.1