rgw/cache: fixing the segmentation fault by passing in 'yield'

by value to async_completion.

Signed-off-by: Pritha Srivastava <prsrivas@redhat.com>

diff --git a/src/rgw/rgw_ssd_driver.cc b/src/rgw/rgw_ssd_driver.cc
index ba43662097a446cc0d5e067a00cc57e812618dc6..8aa7466e328790bfad33f09bf1e6d3a6e6bc93c6 100644 (file)
--- a/src/rgw/rgw_ssd_driver.cc
+++ b/src/rgw/rgw_ssd_driver.cc
@@ -517,7 +517,8 @@ int SSDDriver::delete_attr(const DoutPrefixProvider* dpp, const std::string& key
 void SSDCacheAioRequest::cache_aio_read(const DoutPrefixProvider* dpp, optional_yield y, const std::string& key, off_t ofs, uint64_t len, rgw::Aio* aio, rgw::AioResult& r)
 {
     using namespace boost::asio;
-    async_completion<spawn::yield_context, void()> init(y.get_yield_context());
+    spawn::yield_context yield = y.get_yield_context();
+    async_completion<spawn::yield_context, void()> init(yield);
     auto ex = get_associated_executor(init.completion_handler);
 
     ldpp_dout(dpp, 20) << "SSDCache: " << __func__ << "(): key=" << key << dendl;