Messages in this thread | | | Date | Thu, 30 Jan 2014 01:11:08 +0100 | From | Jan Kara <> | Subject | Re: [PATCH 1/1] fs: udf: parse_options: blocksize check |
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On Wed 29-01-14 17:13:16, Fabian Frederick wrote: > Both affs and isofs check for blocksize integrity during > parse_options.Do the same thing for udf. > > Valid values : 512, 1024, 2048 or 4096 bytes. Thanks. Merged into my tree.
Honza
> > Signed-off-by: Fabian Frederick <fabf@skynet.be> > --- > fs/udf/super.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/fs/udf/super.c b/fs/udf/super.c > index 3306b9f..ac76538 100644 > --- a/fs/udf/super.c > +++ b/fs/udf/super.c > @@ -505,6 +505,7 @@ static int udf_parse_options(char *options, struct udf_options *uopt, > while ((p = strsep(&options, ",")) != NULL) { > substring_t args[MAX_OPT_ARGS]; > int token; > + unsigned n; > if (!*p) > continue; > > @@ -516,7 +517,10 @@ static int udf_parse_options(char *options, struct udf_options *uopt, > case Opt_bs: > if (match_int(&args[0], &option)) > return 0; > - uopt->blocksize = option; > + n = option; > + if (n != 512 && n != 1024 && n != 2048 && n != 4096) > + return 0; > + uopt->blocksize = n; > uopt->flags |= (1 << UDF_FLAG_BLOCKSIZE_SET); > break; > case Opt_unhide: > -- > 1.8.1.4 > -- Jan Kara <jack@suse.cz> SUSE Labs, CR
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