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Date: Mon, 5 Feb 2018 14:33:55 -0200 From: Desnes Augusto Nunes do Rosario <desnesn@...ux.vnet.ibm.com> To: netdev@...r.kernel.org Cc: linuxppc-dev@...ts.ozlabs.org, tyreld@...ux.vnet.ibm.com, tlfalcon@...ux.vnet.ibm.com, jallen@...ux.vnet.ibm.com, nfont@...ux.vnet.ibm.com Subject: [PATCH, net] ibmvnic: fix empty firmware version and errors cleanup This patch makes sure that the firmware version is never NULL. Moreover, it also performs some cleanup on the error messages. Fixes: a107311d7fdf ("ibmvnic: fix firmware version when no firmware level has been provided by the VIOS server") Signed-off-by: Desnes A. Nunes do Rosario <desnesn@...ux.vnet.ibm.com> --- drivers/net/ethernet/ibm/ibmvnic.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 5caaa9033841..afaf29b201dc 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -3286,7 +3286,7 @@ static void handle_vpd_rsp(union ibmvnic_crq *crq, struct ibmvnic_adapter *adapter) { struct device *dev = &adapter->vdev->dev; - unsigned char *substr = NULL, *ptr = NULL; + unsigned char *substr = NULL; u8 fw_level_len = 0; memset(adapter->fw_version, 0, 32); @@ -3306,10 +3306,6 @@ static void handle_vpd_rsp(union ibmvnic_crq *crq, substr = strnstr(adapter->vpd->buff, "RM", adapter->vpd->len); if (!substr) { dev_info(dev, "Warning - No FW level has been provided in the VPD buffer by the VIOS Server\n"); - ptr = strncpy((char *)adapter->fw_version, "N/A", - 3 * sizeof(char)); - if (!ptr) - dev_err(dev, "Failed to inform that firmware version is unavailable to the adapter\n"); goto complete; } @@ -3324,16 +3320,14 @@ static void handle_vpd_rsp(union ibmvnic_crq *crq, /* copy firmware version string from vpd into adapter */ if ((substr + 3 + fw_level_len) < (adapter->vpd->buff + adapter->vpd->len)) { - ptr = strncpy((char *)adapter->fw_version, - substr + 3, fw_level_len); - - if (!ptr) - dev_err(dev, "Failed to isolate FW level string\n"); + strncpy((char *)adapter->fw_version, substr + 3, fw_level_len); } else { dev_info(dev, "FW substr extrapolated VPD buff\n"); } complete: + if (adapter->fw_version[0] == '\0') + strncpy((char *)adapter->fw_version, "N/A", 3 * sizeof(char)); complete(&adapter->fw_done); } -- 2.14.3
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