loader/arm64/xen_boot: Use bool instead of int

More readable, could consume less space.

Signed-off-by: Frediano Ziglio <frediano.ziglio@cloud.com>
Reviewed-by: Sudhakar Kuppusamy <sudhakar@linux.ibm.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/grub-core/loader/arm64/xen_boot.c b/grub-core/loader/arm64/xen_boot.c
index 731f1913a0cdc13941a097b93145cbb5803a923c..4e6f2d91334d00611f49e4c852e3de42b0d44137 100644 (file)
--- a/grub-core/loader/arm64/xen_boot.c
+++ b/grub-core/loader/arm64/xen_boot.c
@@ -67,7 +67,7 @@ struct xen_boot_binary
 {
   struct xen_boot_binary *next;
   struct xen_boot_binary **prev;
-  int is_hypervisor;
+  bool is_hypervisor;
 
   grub_addr_t start;
   grub_size_t size;
@@ -79,7 +79,7 @@ struct xen_boot_binary
 
 static grub_dl_t my_mod;
 
-static int loaded;
+static bool loaded;
 
 static struct xen_boot_binary *xen_hypervisor;
 static struct xen_boot_binary *module_head;
@@ -276,7 +276,7 @@ single_binary_unload (struct xen_boot_binary *binary)
                    binary->cmdline, binary->cmdline_size);
     }
 
-  if (!binary->is_hypervisor)
+  if (binary->is_hypervisor == false)
     grub_list_remove (GRUB_AS_LIST (binary));
 
   grub_dprintf ("xen_loader",
@@ -306,7 +306,7 @@ all_binaries_unload (void)
 static grub_err_t
 xen_unload (void)
 {
-  loaded = 0;
+  loaded = false;
   all_binaries_unload ();
   grub_fdt_unload ();
   grub_dl_unref (my_mod);
@@ -398,7 +398,7 @@ grub_cmd_xen_module (grub_command_t cmd __attribute__((unused)),
       goto fail;
     }
 
-  if (!loaded)
+  if (loaded == false)
     {
       grub_error (GRUB_ERR_BAD_ARGUMENT,
                  N_("you need to load the Xen Hypervisor first"));
@@ -410,7 +410,7 @@ grub_cmd_xen_module (grub_command_t cmd __attribute__((unused)),
   if (!module)
     return grub_errno;
 
-  module->is_hypervisor = 0;
+  module->is_hypervisor = false;
   module->align = 4096;
 
   grub_dprintf ("xen_loader", "Init module and node info\n");
@@ -466,7 +466,7 @@ grub_cmd_xen_hypervisor (grub_command_t cmd __attribute__ ((unused)),
   if (!xen_hypervisor)
     return grub_errno;
 
-  xen_hypervisor->is_hypervisor = 1;
+  xen_hypervisor->is_hypervisor = true;
   xen_hypervisor->align
     = (grub_size_t) lh.pe_image_header.optional_header.section_alignment;
 
@@ -474,7 +474,7 @@ grub_cmd_xen_hypervisor (grub_command_t cmd __attribute__ ((unused)),
   if (grub_errno == GRUB_ERR_NONE)
     {
       grub_loader_set (xen_boot, xen_unload, 0);
-      loaded = 1;
+      loaded = true;
     }
 
 fail:
@@ -482,7 +482,7 @@ fail:
     grub_file_close (file);
   if (grub_errno != GRUB_ERR_NONE)
     {
-      loaded = 0;
+      loaded = false;
       all_binaries_unload ();
       grub_dl_unref (my_mod);
     }