fixes #148

FDOS · May 16, 2024 · 1ce349e · 1ce349e
1 parent 1b6de0f
commit 1ce349e
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 6 deletions.
diff --git a/kernel/config.c b/kernel/config.c
@@ -351,10 +351,7 @@ void PreConfig(void)
 #ifdef DEBUG
 /*  printf("Preliminary %d buffers allocated at 0x%p\n", Config.cfgBuffers, buffers);*/
 #endif
-
-  LoL->DPBp =
-      DynAlloc("DPBp", blk_dev.dh_name[0], sizeof(struct dpb));
-
+
   LoL->sfthead = MK_FP(FP_SEG(LoL), 0xcc); /* &(LoL->firstsftt) */
   /* LoL->FCBp = (sfttbl FAR *)&FcbSft; */
   /* LoL->FCBp = (sfttbl FAR *)

diff --git a/kernel/main.c b/kernel/main.c
@@ -547,8 +547,13 @@ STATIC VOID update_dcb(struct dhdr FAR * dhp)
   if (nunits == 0) return;
 
   /* allocate memory for new device control blocks, insert into chain [at end], and update our pointer to new end */
-  dpb = (struct dpb FAR *)KernelAlloc(nunits * sizeof(struct dpb), 'E', Config.cfgDosDataUmb);
-
+  if ( LoL->first_mcb ) {
+    dpb = (struct dpb FAR *)KernelAlloc(nunits * sizeof(struct dpb), 'E', Config.cfgDosDataUmb);
+  }
+  else {
+    dpb = DynAlloc("DPBp", blk_dev.dh_name[0], sizeof(struct dpb));
+  }
+
   /* find end of dpb chain or initialize root if needed */
   if (LoL->nblkdev == 0)
   {