This is a note to let you know that I've just added the patch titled [PATCH stable 5.9 24/25] net/smc: fix suppressed return code to the 5.9-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-fix-suppressed-return-code.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Sat Oct 31 09:05:46 AM CET 2020 From: Karsten Graul <kgraul@xxxxxxxxxxxxx> Date: Fri, 23 Oct 2020 20:48:29 +0200 Subject: [PATCH stable 5.9 24/25] net/smc: fix suppressed return code From: Karsten Graul <kgraul@xxxxxxxxxxxxx> [ Upstream commit 96d6fded958d971a3695009e0ed43aca6c598283 ] The patch that repaired the invalid return code in smcd_new_buf_create() missed to take care of errno ENOSPC which has a special meaning that no more DMBEs can be registered on the device. Fix that by keeping this errno value during the translation of the return code. Fixes: 6b1bbf94ab36 ("net/smc: fix invalid return code in smcd_new_buf_create()") Signed-off-by: Karsten Graul <kgraul@xxxxxxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/smc/smc_core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1616,8 +1616,11 @@ static struct smc_buf_desc *smcd_new_buf rc = smc_ism_register_dmb(lgr, bufsize, buf_desc); if (rc) { kfree(buf_desc); - return (rc == -ENOMEM) ? ERR_PTR(-EAGAIN) : - ERR_PTR(-EIO); + if (rc == -ENOMEM) + return ERR_PTR(-EAGAIN); + if (rc == -ENOSPC) + return ERR_PTR(-ENOSPC); + return ERR_PTR(-EIO); } buf_desc->pages = virt_to_page(buf_desc->cpu_addr); /* CDC header stored in buf. So, pretend it was smaller */ Patches currently in stable-queue which might be from kgraul@xxxxxxxxxxxxx are queue-5.9/net-smc-fix-invalid-return-code-in-smcd_new_buf_create.patch queue-5.9/net-smc-fix-suppressed-return-code.patch