Messages in this thread Patch in this message | | | From | liuyacan@corp ... | Subject | [PATCH net] net/smc: set ini->smcrv2.ib_dev_v2 to NULL if SMC-Rv2 is unavailable | Date | Wed, 25 May 2022 16:54:08 +0800 |
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From: liuyacan <liuyacan@corp.netease.com>
In the process of checking whether RDMAv2 is available, the current implementation first sets ini->smcrv2.ib_dev_v2, and then allocates smc buf desc and register rmb, but the latter may fail. In this case, the pointer should be reset.
Fixes: e49300a6bf62 ("net/smc: add listen processing for SMC-Rv2") Signed-off-by: liuyacan <liuyacan@corp.netease.com> --- net/smc/af_smc.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 45a24d242..540b32d86 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -2136,6 +2136,7 @@ static void smc_find_rdma_v2_device_serv(struct smc_sock *new_smc, not_found: ini->smcr_version &= ~SMC_V2; + ini->smcrv2.ib_dev_v2 = NULL; ini->check_smcrv2 = false; } -- 2.20.1
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