From 17dd04c92ad82566984dc9f37d2e9775acadc96b Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Tue, 4 Oct 2016 20:15:09 +0200
Subject: isosize: fix read() result check

---
 disk-utils/isosize.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'disk-utils/isosize.c')

diff --git a/disk-utils/isosize.c b/disk-utils/isosize.c
index 5ae5a9e1b..e35be6c7c 100644
--- a/disk-utils/isosize.c
+++ b/disk-utils/isosize.c
@@ -138,7 +138,7 @@ static void isosize(int argc, char *filenamep, int xflag, long divisor)
 	if (lseek(fd, 16 << 11, 0) == (off_t) - 1)
 		err(EXIT_FAILURE, _("seek error on %s"), filenamep);
 
-	if (read(fd, &ipd, sizeof(ipd)) != (ssize_t) sizeof(ipd))
+	if (read(fd, &ipd, sizeof(ipd)) <= 0)
 		err(EXIT_FAILURE, _("read error on %s"), filenamep);
 
 	nsecs = isonum_733(ipd.volume_space_size, xflag);
-- 
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