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fx2lafw: silence "NULL dereference" compiler warning 

Check pointers' validity before dereferencing them.

This was reported by clang's scan-build.
This commit is contained in:
Gerhard Sittig 2018-02-09 18:48:29 +01:00 committed by Uwe Hermann
parent f6051b9eca
commit 0d1c51f57f
1 changed files with 2 additions and 0 deletions
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2
src/hardware/fx2lafw/api.c
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@ -540,6 +540,8 @@ static int config_list(uint32_t key, GVariant **data,
case SR_CONF_DEVICE_OPTIONS:
return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
case SR_CONF_SAMPLERATE:
if (!devc)
return SR_ERR_NA;
*data = std_gvar_samplerates(devc->samplerates, devc->num_samplerates);
break;
case SR_CONF_TRIGGER_MATCH: