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| author | Karel Zak <kzak@redhat.com> | 2016-10-04 20:15:09 +0200 |
|---|---|---|
| committer | Karel Zak <kzak@redhat.com> | 2016-10-04 20:15:09 +0200 |
| commit | 17dd04c92ad82566984dc9f37d2e9775acadc96b (patch) | |
| tree | 2b4e323953b27525fe4f58a4a76895b9cc470781 | |
| parent | 9e13b1c1c7116678722c52ead4e79fe5085bb2b2 (diff) | |
| download | util-linux-17dd04c92ad82566984dc9f37d2e9775acadc96b.tar.gz | |
isosize: fix read() result check
| -rw-r--r-- | disk-utils/isosize.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/disk-utils/isosize.c b/disk-utils/isosize.c index 5ae5a9e1bc..e35be6c7cb 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); |