X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..5eebf7385fedb1517b66b53c28e5aa6bb0a2be50:/bsd/kern/bsd_stubs.c

diff --git a/bsd/kern/bsd_stubs.c b/bsd/kern/bsd_stubs.c
index bfe0a85c4..0597434fa 100644
--- a/bsd/kern/bsd_stubs.c
+++ b/bsd/kern/bsd_stubs.c
@@ -40,7 +40,7 @@ kmem_mb_alloc(vm_map_t  mbmap, int size)
 	if (kernel_memory_allocate(mbmap, &addr, size,
    		0,
 		KMA_NOPAGEWAIT|KMA_KOBJECT) == KERN_SUCCESS)
-                                return((void *)addr);
+   			return(addr);
 	else
 		return(0);
 		
@@ -98,6 +98,9 @@ bdevsw_isfree(int index)
 			    sizeof(struct bdevsw)) == 0)
 		    break;
 	    }
+	} else {
+		/* NB: Not used below unless index is in range */
+		devsw = &bdevsw[index];
 	}
 
 	if ((index < 0) || (index >= nblkdev) ||
@@ -120,7 +123,7 @@ bdevsw_add(int index, struct bdevsw * bsw)
 	struct bdevsw *devsw;
 
 	if (index == -1) {
-	    devsw = bdevsw;
+	    devsw = &bdevsw[1];		/* Start at slot 1 - this is a hack to fix the index=1 hack */
 	    /* yes, start at 1 to avoid collision with volfs (Radar 2842228) */
 	    for(index=1; index < nblkdev; index++, devsw++) {
 		if(memcmp((char *)devsw,