chips/sm_ch_si57x.c: check for division by 0

3c94f273 · Lucas Russo · 9bdaa06f · 3c94f273
Commit 3c94f273 authored Apr 26, 2016 by Lucas Russo
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sm_ch_si57x.c src/sm_io/chips/sm_ch_si57x.c +2 -0

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--- a/src/sm_io/chips/sm_ch_si57x.c
+++ b/src/sm_io/chips/sm_ch_si57x.c
@@ -169,6 +169,8 @@ smch_err_e smch_si57x_set_freq (smch_si57x_t *self, double frequency)
    assert (self);
    smch_err_e err = SMCH_SUCCESS;

+    ASSERT_TEST(frequency > 0, "Invalid frequency (0 Hz)", err_exit);
+
    DBE_DEBUG (DBG_SM_CH | DBG_LVL_TRACE, "[sm_ch:si57x_set_freq] Configuring "
            "frequency to %f Hz\n", frequency);