This is a note to let you know that I've just added the patch titled net/smc: return the right falback reason when prefix checks fail to the 6.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-smc-return-the-right-falback-reason-when-prefix-checks-fail.patch and it can be found in the queue-6.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 4abbd2e3c1db671fa1286390f1310aec78386f1d Mon Sep 17 00:00:00 2001 From: Dust Li <dust.li@xxxxxxxxxxxxxxxxx> Date: Thu, 12 Oct 2023 20:37:29 +0800 Subject: net/smc: return the right falback reason when prefix checks fail From: Dust Li <dust.li@xxxxxxxxxxxxxxxxx> commit 4abbd2e3c1db671fa1286390f1310aec78386f1d upstream. In the smc_listen_work(), if smc_listen_prfx_check() failed, the real reason: SMC_CLC_DECL_DIFFPREFIX was dropped, and SMC_CLC_DECL_NOSMCDEV was returned. Althrough this is also kind of SMC_CLC_DECL_NOSMCDEV, but return the real reason is much friendly for debugging. Fixes: e49300a6bf62 ("net/smc: add listen processing for SMC-Rv2") Signed-off-by: Dust Li <dust.li@xxxxxxxxxxxxxxxxx> Reviewed-by: Alexandra Winter <wintera@xxxxxxxxxxxxx> Reviewed-by: Wenjia Zhang <wenjia@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20231012123729.29307-1-dust.li@xxxxxxxxxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/smc/af_smc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -2335,7 +2335,7 @@ static int smc_listen_find_device(struct smc_find_ism_store_rc(rc, ini); return (!rc) ? 0 : ini->rc; } - return SMC_CLC_DECL_NOSMCDEV; + return prfx_rc; } /* listen worker: finish RDMA setup */ Patches currently in stable-queue which might be from dust.li@xxxxxxxxxxxxxxxxx are queue-6.5/net-smc-return-the-right-falback-reason-when-prefix-checks-fail.patch