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-rw-r--r--pc-bios/s390-ccw/netmain.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/pc-bios/s390-ccw/netmain.c b/pc-bios/s390-ccw/netmain.c
index 719a547ada..c0aafca22d 100644
--- a/pc-bios/s390-ccw/netmain.c
+++ b/pc-bios/s390-ccw/netmain.c
@@ -332,6 +332,27 @@ static int load_kernel_with_initrd(filename_ip_t *fn_ip,
     return rc;
 }
 
+static int net_select_and_load_kernel(filename_ip_t *fn_ip,
+                                      int num_ent, int selected,
+                                      struct pl_cfg_entry *entries)
+{
+    unsigned int loadparm = get_loadparm_index();
+
+    if (num_ent <= 0) {
+        return -1;
+    }
+
+    IPL_assert(loadparm <= num_ent,
+               "loadparm is set to an entry that is not available in the "
+               "pxelinux.cfg file!");
+
+    if (loadparm > 0) {
+        selected = loadparm - 1;
+    }
+
+    return load_kernel_with_initrd(fn_ip, &entries[selected]);
+}
+
 #define MAX_PXELINUX_ENTRIES 16
 
 static int net_try_pxelinux_cfg(filename_ip_t *fn_ip)
@@ -343,11 +364,8 @@ static int net_try_pxelinux_cfg(filename_ip_t *fn_ip)
                                       DEFAULT_TFTP_RETRIES,
                                       cfgbuf, sizeof(cfgbuf),
                                       entries, MAX_PXELINUX_ENTRIES, &def_ent);
-    if (num_ent > 0) {
-        return load_kernel_with_initrd(fn_ip, &entries[def_ent]);
-    }
 
-    return -1;
+    return net_select_and_load_kernel(fn_ip, num_ent, def_ent, entries);
 }
 
 /**
@@ -433,10 +451,8 @@ static int net_try_direct_tftp_load(filename_ip_t *fn_ip)
 
             num_ent = pxelinux_parse_cfg(cfgbuf, sizeof(cfgbuf), entries,
                                          MAX_PXELINUX_ENTRIES, &def_ent);
-            if (num_ent <= 0) {
-                return -1;
-            }
-            return load_kernel_with_initrd(fn_ip, &entries[def_ent]);
+            return net_select_and_load_kernel(fn_ip, num_ent, def_ent,
+                                              entries);
         }
     }