vscsi: avoid unwarranted strncpy

Don't use strncpy when the source string is known to fit
in the destination buffer.  Use equivalent memcpy.
We could even use strcpy, here, but some static analyzers
warn about that, so don't add new uses.

Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index 3cf5844e0f42d57a446a54ca97f4edc1efa335dc..e3d4b237f1794c28cf8218e4b6dc84927ed09176 100644 (file)
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -737,7 +737,7 @@ static int vscsi_send_adapter_info(VSCSIState *s, vscsi_req *req)
 #endif
     memset(&info, 0, sizeof(info));
     strcpy(info.srp_version, SRP_VERSION);
-    strncpy(info.partition_name, "qemu", sizeof("qemu"));
+    memcpy(info.partition_name, "qemu", sizeof("qemu"));
     info.partition_number = cpu_to_be32(0);
     info.mad_version = cpu_to_be32(1);
     info.os_type = cpu_to_be32(2);