[PATCH 6/8] Return -1 on memory error in print_insn_m68k

[Alan Modra]

On Thu, Jan 12, 2017 at 11:50:21AM +0000, Yao Qi wrote:
> On 17-01-12 08:45:14, Alan Modra wrote:
> > On Tue, Jan 10, 2017 at 12:26:16PM +0000, Yao Qi wrote:
> > > 	* m68k-dis.c (match_insn_m68k): Extend comments.  Return -1
> > > 	if FETCH_DATA returns 0.
> > > 	(m68k_scan_mask): Likewise.
> > > 	(print_insn_m68k): Update code to handle -1 return value.
> > 
> > This misses one FETCH_DATA call, in m68k_scan_mask.
> > 
> 
> I can't remember the reason I didn't change it.  Sorry.

Actually there is a good reason not to change that call, I just didn't
look at the code well enough and thought you'd accidentally missed
it.  The previous patch is OK.  The newest one would fail if you had
a 2-byte insn at the end of a segment and happened to try a 4-byte
insn match first.

-- 
Alan Modra
Australia Development Lab, IBM