From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56569 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753110AbbIZRtH (ORCPT ); Sat, 26 Sep 2015 13:49:07 -0400 Subject: Patch "IB/srp: Handle partial connection success correctly" has been added to the 4.2-stable tree To: bart.vanassche@sandisk.com, dledford@redhat.com, gregkh@linuxfoundation.org, hch@lst.de, sagig@mellanox.com, sebastian.riemer@profitbricks.com Cc: , From: Date: Sat, 26 Sep 2015 10:49:06 -0700 Message-ID: <1443289746455@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled IB/srp: Handle partial connection success correctly to the 4.2-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: ib-srp-handle-partial-connection-success-correctly.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From c257ea6f9f9aed0b173e0c2932bb8dac5612cdc6 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 31 Jul 2015 14:13:22 -0700 Subject: IB/srp: Handle partial connection success correctly From: Bart Van Assche commit c257ea6f9f9aed0b173e0c2932bb8dac5612cdc6 upstream. Avoid that the following kernel warning is reported if the SRP target system accepts fewer channels per connection than what was requested by the initiator system: WARNING: at drivers/infiniband/ulp/srp/ib_srp.c:617 srp_destroy_qp+0xb1/0x120 [ib_srp]() Call Trace: [] warn_slowpath_common+0x7f/0xc0 [] warn_slowpath_null+0x1a/0x20 [] srp_destroy_qp+0xb1/0x120 [ib_srp] [] srp_create_ch_ib+0x19b/0x420 [ib_srp] [] srp_create_target+0x7d7/0xa94 [ib_srp] [] dev_attr_store+0x20/0x30 [] sysfs_write_file+0xef/0x170 [] vfs_write+0xb4/0x130 [] sys_write+0x5f/0xa0 [] system_call_fastpath+0x16/0x1b Signed-off-by: Bart Van Assche Cc: Sagi Grimberg Cc: Sebastian Parschauer Cc: Christoph Hellwig Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/ulp/srp/ib_srp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -3262,7 +3262,7 @@ static ssize_t srp_create_target(struct srp_free_ch_ib(target, ch); srp_free_req_data(target, ch); target->ch_count = ch - target->ch; - break; + goto connected; } } @@ -3272,6 +3272,7 @@ static ssize_t srp_create_target(struct node_idx++; } +connected: target->scsi_host->nr_hw_queues = target->ch_count; ret = srp_add_target(host, target); Patches currently in stable-queue which might be from bart.vanassche@sandisk.com are queue-4.2/ib-srp-stop-the-scsi_eh_-n-and-scsi_tmf_-n-threads-if-login-fails.patch queue-4.2/ib-srp-handle-partial-connection-success-correctly.patch