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authorMartin Braun <martin.braun@ettus.com>2021-01-08 13:23:17 +0100
committerAaron Rossetto <aaron.rossetto@ni.com>2021-03-04 08:24:09 -0600
commit47623aabb4832d3d217faa1a9938bb7a6e4341c3 (patch)
treeb67dec95e65ca8aacd4352413506c8869480e450 /host/lib/usrp/cores
parent49e5ef81530684998bc4bc0934590cdaa81190ab (diff)
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lib: Use const-ref in for loops instead of const-copy
This is potentially a performance issue, even though it doesn't have a big impact in this context. Clang will warn about it, and this fixes the compiler warning.
Diffstat (limited to 'host/lib/usrp/cores')
-rw-r--r--host/lib/usrp/cores/gpio_atr_3000.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/host/lib/usrp/cores/gpio_atr_3000.cpp b/host/lib/usrp/cores/gpio_atr_3000.cpp
index 875752ee2..0c7eeebda 100644
--- a/host/lib/usrp/cores/gpio_atr_3000.cpp
+++ b/host/lib/usrp/cores/gpio_atr_3000.cpp
@@ -54,7 +54,7 @@ public:
_atr_fdx_reg.initialize(*_iface, true);
_ddr_reg.initialize(*_iface, true);
_atr_disable_reg.initialize(*_iface, true);
- for (const gpio_attr_map_t::value_type attr : gpio_attr_map) {
+ for (const auto& attr : gpio_attr_map) {
if (attr.first == usrp::gpio_atr::GPIO_SRC
|| attr.first == usrp::gpio_atr::GPIO_READBACK) {
// Don't set the SRC and READBACK, they're handled elsewhere.