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Message-Id: <20231017124234.99574-1-guangguan.wang@linux.alibaba.com> Date: Tue, 17 Oct 2023 20:42:32 +0800 From: Guangguan Wang <guangguan.wang@...ux.alibaba.com> To: kgraul@...ux.ibm.com, wenjia@...ux.ibm.com, jaka@...ux.ibm.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com Cc: tonylu@...ux.alibaba.com, alibuda@...ux.alibaba.com, guwen@...ux.alibaba.com, linux-s390@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH net v2 0/2] net/smc: correct the reason code in smc_listen_find_device when fallback The function smc_find_ism_store_rc is not only used for ism, so it is reasonable to change the function name to smc_find_device_store_rc. The ini->rc is used to store the last error happened when finding usable ism or rdma device in smc_listen_find_device, and is set by calling smc_ find_device_store_rc. Once the ini->rc is assigned to an none-zero value, the value can not be overwritten anymore. So the ini-rc should be set to the error reason only when an error actually occurs. When finding ISM/RDMA devices, device not found is not a real error, as not all machine have ISM/RDMA devices. Failures after device found, when initializing device or when initializing connection, is real errors, and should be store in ini->rc. SMC_CLC_DECL_DIFFPREFIX also is not a real error, as for SMC-RV2, it is not require same prefix. Guangguan Wang (2): net/smc: change function name from smc_find_ism_store_rc to smc_find_device_store_rc net/smc: correct the reason code in smc_listen_find_device when fallback net/smc/af_smc.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) -- 2.24.3 (Apple Git-128)
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