[dpdk-dev] [PATCH v5 03/16] bus/pci: replace strncpy dangerous code

[Andy Green]

In function ‘pci_get_kernel_driver_by_path’,
    inlined from ‘pci_scan_one.isra.1’ at /home/agreen/projects/dpdk/
        drivers/bus/pci/linux/pci.c:317:8:
/home/agreen/projects/dpdk/drivers/bus/pci/linux/pci.c:57:3: error:
‘strncpy’ specified bound depends on the length of the source argument
[-Werror=stringop-overflow=]
   strncpy(dri_name, name + 1, strlen(name + 1) + 1);

Signed-off-by: Andy Green <a...@warmcat.com>
Acked-by: Pablo de Lara <pablo.de.lara.gua...@intel.com>
Fixes: d9a8cd9595f2 ("pci: add kernel driver type")
Cc: sta...@dpdk.org
---
 drivers/bus/pci/linux/pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
index 4630a8057..a73ee49c2 100644
--- a/drivers/bus/pci/linux/pci.c
+++ b/drivers/bus/pci/linux/pci.c
@@ -54,7 +54,7 @@ pci_get_kernel_driver_by_path(const char *filename, char 
*dri_name)
 
        name = strrchr(path, '/');
        if (name) {
-               strncpy(dri_name, name + 1, strlen(name + 1) + 1);
+               strlcpy(dri_name, name + 1, sizeof(dri_name));
                return 0;
        }