hw/core/loader: return image sizes as ssize_t

Various loader functions return an int which limits images to 2GB which
is fine for things like a BIOS/kernel image, but if we want to be able
to load memory images or large ramdisks then any file over 2GB would
silently fail to load.

Cc: Luc Michel <lmichel@kalray.eu>
Signed-off-by: Jamie Iles <jamie@nuviainc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Luc Michel <lmichel@kalray.eu>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20211111141141.3295094-2-jamie@nuviainc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/hw/core/generic-loader.c b/hw/core/generic-loader.c
index c666545aa0..4f4d77908d 100644
--- a/hw/core/generic-loader.c
+++ b/hw/core/generic-loader.c
@@ -67,7 +67,7 @@ static void generic_loader_realize(DeviceState *dev, Error **errp)
     GenericLoaderState *s = GENERIC_LOADER(dev);
     hwaddr entry;
     int big_endian;
-    int size = 0;
+    ssize_t size = 0;
 
     s->set_pc = false;