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-rw-r--r--host/lib/usrp/x300/x300_impl.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp
index 97551e07a..d74aad806 100644
--- a/host/lib/usrp/x300/x300_impl.cpp
+++ b/host/lib/usrp/x300/x300_impl.cpp
@@ -213,7 +213,15 @@ static device_addrs_t x300_find_pcie(const device_addr_t &hint, bool explicit_qu
if (get_pcie_zpu_iface_registry().has_key(resource_d)) {
zpu_ctrl = get_pcie_zpu_iface_registry()[resource_d].lock();
- } else {
+ if (!zpu_ctrl)
+ {
+ get_pcie_zpu_iface_registry().pop(resource_d);
+ }
+ }
+
+ // if the registry didn't have a key OR that key was an orphaned weak_ptr
+ if (!zpu_ctrl)
+ {
zpu_ctrl = x300_make_ctrl_iface_pcie(kernel_proxy, false /* suppress timeout errors */);
//We don't put this zpu_ctrl in the registry because we need
//a persistent niriok_proxy associated with the object