swapon: fix swapsize calculation

Reported-by: Peter Breitenlohner <peb@mppmu.mpg.de>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/mount/swapon.c b/mount/swapon.c
index 75ba86533e3a023592206fe7f2a041d374e79a4c..5574f7ea63b15f061bcd196873e4e4d483eac6ad 100644 (file)
--- a/mount/swapon.c
+++ b/mount/swapon.c
@@ -354,7 +354,7 @@ swap_get_size(const char *hdr, const char *devname, unsigned int pagesize)
                        pagesize / 1024,
                        flip ? _("different") : _("same"));
 
-       return (last_page + 1) * pagesize;
+       return ((unsigned long long) last_page + 1) * pagesize;
 }
 
 static int