Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
And removed unnecessary magic numbers.

Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c |   31 +++++++++++++++----------------
 1 file changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c 
b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 8b88118..00005f0 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1922,38 +1922,37 @@ _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc)
        if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
                return;
 
-       memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE);
        switch (ioc->pdev->subsystem_device) {
        case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
-               strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+               strlcpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
-               strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+               strlcpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
-               strncpy(dell_branding,
+               strlcpy(dell_branding,
                    MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
-               strncpy(dell_branding,
+               strlcpy(dell_branding,
                    MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
-               strncpy(dell_branding,
+               strlcpy(dell_branding,
                    MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        case MPT2SAS_DELL_PERC_H200_SSDID:
-               strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+               strlcpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        case MPT2SAS_DELL_6GBPS_SAS_SSDID:
-               strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
-                   MPT2SAS_DELL_BRANDING_SIZE - 1);
+               strlcpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
+                   MPT2SAS_DELL_BRANDING_SIZE);
                break;
        default:
                sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device);
@@ -2097,7 +2096,7 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER 
*ioc)
        u32 bios_version;
 
        bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
-       strncpy(desc, ioc->manu_pg0.ChipName, 16);
+       strlcpy(desc, ioc->manu_pg0.ChipName, sizeof(desc));
        printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "
           "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
            ioc->name, desc,
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to