[U-Boot] fs/fs.c - error handling needed?

[Tom Rini <trini@ti.com>]

On Sat, Oct 05, 2013 at 09:49:41PM +0200, Wolfgang Denk wrote:
> Dear Simon,
> 
> with commit a8f6ab5 "fs: Add support for saving data to filesystems"
> you add the function do_save() to U-Boot.  This includes the following
> code (line numbers as of current master):
> 
> "fs/fs.c":
> 
> ...
> 331         filename = argv[3];
> 332         addr = simple_strtoul(argv[4], NULL, cmdline_base);
> 333         bytes = simple_strtoul(argv[5], NULL, cmdline_base);
> 334         if (argc >= 7)
> 335                 pos = simple_strtoul(argv[6], NULL, cmdline_base);
> 336         else
> 337                 pos = 0;
> 
> 
> Should we not perform at least minimal error checking, i. e. verify
> that no garbage arguments have been passed to that function?

Yes, we ought to.  If you don't pass fatwrite the right number of
arguments we get data aborts, for example.

-- 
Tom
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