From a502e44f177cbb629f1b1eac6611e0e390352481 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Tue, 14 Jan 2020 21:05:15 +0100
Subject: [PATCH] Added a sanity check to the Iomega ZIP code.

---
 src/disk/zip.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/disk/zip.c b/src/disk/zip.c
index ccc2fd1c2..5e962115c 100644
--- a/src/disk/zip.c
+++ b/src/disk/zip.c
@@ -1173,7 +1173,8 @@ zip_blocks(zip_t *dev, int32_t *len, int first_batch, int out)
     *len = dev->requested_blocks << 9;
 
     for (i = 0; i < dev->requested_blocks; i++) {
-	fseek(dev->drv->f, dev->drv->base + (dev->sector_pos << 9) + (i << 9), SEEK_SET);
+	if (fseek(dev->drv->f, dev->drv->base + (dev->sector_pos << 9) + (i << 9), SEEK_SET) == 1)
+		break;
 
 	if (feof(dev->drv->f))
 		break;