mkdumprd: reorganize the code to make flow of script clear

Move the invocation of check_resettable() to be together with all
other invocation of functions. This can make the flow of script
clearer and more readable.

Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>

mkdumprd

@@ -450,10 +450,6 @@ check_resettable()
     return 1
 }
 
-if ! check_resettable; then
-    exit 1
-fi
-
 # $1: maj:min
 is_crypt()
 {
@@ -482,6 +478,10 @@ check_crypt()
     return 1
 }
 
+if ! check_resettable; then
+    exit 1
+fi
+
 if ! check_crypt; then
     echo "Warning: Encrypted device is in dump path. User will prompted for password during second kernel boot." 
 fi