b2cca32a3
Bartosz Golaszewski
2015-05-11
Subject
i2c-tools: fix 'i2cdetect -l'
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miscutils/i2c_tools.c+4 -1
| @@ -1284,13 +1284,16 @@ int i2cdetect_main(int argc UNUSED_PARAM, char **argv) | |
| unsigned opts; | |
| opt_complementary = "q--r:r--q:" /* mutually exclusive */ | |
| - | "-1:?3"; /* from 1 to 3 args */ |
| + | "?3"; /* up to 3 args */ |
| opts = getopt32(argv, optstr); | |
| argv += optind; | |
| if (opts & opt_l) | |
| list_i2c_busses_and_exit(); | |
| + | if (!argv[0]) |
| + | bb_show_usage(); |
| + | |
| bus_num = i2c_bus_lookup(argv[0]); | |
| fd = i2c_dev_open(bus_num); | |
| get_funcs_matrix(fd, &funcs); | |