diff options
Diffstat (limited to 'pony_spi.c')
-rw-r--r-- | pony_spi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pony_spi.c b/pony_spi.c index b5dfc2f7f..6ce467e3a 100644 --- a/pony_spi.c +++ b/pony_spi.c @@ -99,6 +99,10 @@ int pony_spi_init(void) if (arg && strlen(arg)) { sp_fd = sp_openserport( arg, 9600 ); + if (sp_fd < 0) { + free(arg); + return 1; + } have_device++; } free(arg); |