Re: [PATCH] mtd-utils: ubinize: Always return error code (at least -1) in case of an error

[Enrico Joerns <ejo@pengutronix.de>]

Any comments on this?

On 09/11/2015 03:28 PM, Enrico Jorns wrote:
> ubinize should not fail silenty, this can be very annoying when using
> it from other tools that rely on the exit code for determining the
> success of their operation.
>
> Signed-off-by: Enrico Jorns <ejo@pengutronix.de>
> ---
>   ubi-utils/ubinize.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/ubi-utils/ubinize.c b/ubi-utils/ubinize.c
> index 34f465a..60bbd9a 100644
> --- a/ubi-utils/ubinize.c
> +++ b/ubi-utils/ubinize.c
> @@ -519,6 +519,7 @@ int main(int argc, char * const argv[])
>   	 */
>   	seek = ui.peb_size * 2;
>   	if (lseek(args.out_fd, seek, SEEK_SET) != seek) {
> +		err = -1;
>   		sys_errmsg("cannot seek file \"%s\"", args.f_out);
>   		goto out_free;
>   	}
> @@ -530,6 +531,7 @@ int main(int argc, char * const argv[])
>   		int fd, j;
>
>   		if (!sname) {
> +			err = -1;
>   			errmsg("ini-file parsing error (iniparser_getsecname)");
>   			goto out_free;
>   		}
> @@ -550,6 +552,7 @@ int main(int argc, char * const argv[])
>   		 */
>   		for (j = 0; j < i; j++) {
>   			if (vi[i].id == vi[j].id) {
> +				err = -1;
>   				errmsg("volume IDs must be unique, but ID %d "
>   				       "in section \"%s\" is not",
>   				       vi[i].id, sname);
> @@ -557,6 +560,7 @@ int main(int argc, char * const argv[])
>   			}
>
>   			if (!strcmp(vi[i].name, vi[j].name)) {
> +				err = -1;
>   				errmsg("volume name must be unique, but name "
>   				       "\"%s\" in section \"%s\" is not",
>   				       vi[i].name, sname);
> @@ -580,6 +584,7 @@ int main(int argc, char * const argv[])
>   		if (img) {
>   			fd = open(img, O_RDONLY);
>   			if (fd == -1) {
> +				err = fd;
>   				sys_errmsg("cannot open \"%s\"", img);
>   				goto out_free;
>   			}
>