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Open the floppy disk device with O_RDONLY rather than O_RDWR. After

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all, this is the fd*read* command, and thus should be able to read
even write-protected disks.

MFC after:	1 week
This commit is contained in:
Joerg Wunsch 2011-06-17 18:56:51 +00:00
parent c9afaa6389
commit beee0062b5
1 changed files with 1 additions and 1 deletions
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2
usr.sbin/fdread/fdread.c
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@ -149,7 +149,7 @@ main(int argc, char **argv)
err(EX_OSERR, "cannot create output file %s", fname);
}
if ((fd = open(_devname, O_RDWR)) == -1)
if ((fd = open(_devname, O_RDONLY)) == -1)
err(EX_OSERR, "cannot open device %s", _devname);
return (numids? doreadid(fd, numids, trackno): doread(fd, of, _devname));