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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
	David Howells <dhowells@redhat.com>,
	Jeff Layton <jlayton@redhat.com>,
	Steve French <sfrench@us.ibm.com>
Subject: [04/71] cifs: refactor mid finding loop in cifs_demultiplex_thread
Date: Thu, 19 May 2011 11:04:32 -0700	[thread overview]
Message-ID: <20110519180554.677638336@clark.kroah.org> (raw)
In-Reply-To: <20110519180626.GA16555@kroah.com>

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Jeff Layton <jlayton@redhat.com>

commit 146f9f65bd13f56665205aed7205d531c810cb35 upstream.

...to reduce the extreme indentation. This should introduce no
behavioral changes.

Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 fs/cifs/connect.c |   92 +++++++++++++++++++++++++++---------------------------
 1 file changed, 46 insertions(+), 46 deletions(-)

--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -618,59 +618,59 @@ incomplete_rcv:
 		list_for_each_safe(tmp, tmp2, &server->pending_mid_q) {
 			mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
 
-			if ((mid_entry->mid == smb_buffer->Mid) &&
-			    (mid_entry->midState == MID_REQUEST_SUBMITTED) &&
-			    (mid_entry->command == smb_buffer->Command)) {
-				if (length == 0 &&
-				   check2ndT2(smb_buffer, server->maxBuf) > 0) {
-					/* We have a multipart transact2 resp */
-					isMultiRsp = true;
-					if (mid_entry->resp_buf) {
-						/* merge response - fix up 1st*/
-						if (coalesce_t2(smb_buffer,
+			if (mid_entry->mid != smb_buffer->Mid ||
+			    mid_entry->midState != MID_REQUEST_SUBMITTED ||
+			    mid_entry->command != smb_buffer->Command) {
+				mid_entry = NULL;
+				continue;
+			}
+
+			if (length == 0 &&
+			    check2ndT2(smb_buffer, server->maxBuf) > 0) {
+				/* We have a multipart transact2 resp */
+				isMultiRsp = true;
+				if (mid_entry->resp_buf) {
+					/* merge response - fix up 1st*/
+					if (coalesce_t2(smb_buffer,
 							mid_entry->resp_buf)) {
-							mid_entry->multiRsp =
-								 true;
-							break;
-						} else {
-							/* all parts received */
-							mid_entry->multiEnd =
-								 true;
-							goto multi_t2_fnd;
-						}
+						mid_entry->multiRsp = true;
+						break;
+					} else {
+						/* all parts received */
+						mid_entry->multiEnd = true;
+						goto multi_t2_fnd;
+					}
+				} else {
+					if (!isLargeBuf) {
+						/*
+						 * FIXME: switch to already
+						 *        allocated largebuf?
+						 */
+						cERROR(1, "1st trans2 resp "
+							  "needs bigbuf");
 					} else {
-						if (!isLargeBuf) {
-							cERROR(1, "1st trans2 resp needs bigbuf");
-					/* BB maybe we can fix this up,  switch
-					   to already allocated large buffer? */
-						} else {
-							/* Have first buffer */
-							mid_entry->resp_buf =
-								 smb_buffer;
-							mid_entry->largeBuf =
-								 true;
-							bigbuf = NULL;
-						}
+						/* Have first buffer */
+						mid_entry->resp_buf =
+							 smb_buffer;
+						mid_entry->largeBuf = true;
+						bigbuf = NULL;
 					}
-					break;
 				}
-				mid_entry->resp_buf = smb_buffer;
-				mid_entry->largeBuf = isLargeBuf;
+				break;
+			}
+			mid_entry->resp_buf = smb_buffer;
+			mid_entry->largeBuf = isLargeBuf;
 multi_t2_fnd:
-				if (length == 0)
-					mid_entry->midState =
-							MID_RESPONSE_RECEIVED;
-				else
-					mid_entry->midState =
-							MID_RESPONSE_MALFORMED;
+			if (length == 0)
+				mid_entry->midState = MID_RESPONSE_RECEIVED;
+			else
+				mid_entry->midState = MID_RESPONSE_MALFORMED;
 #ifdef CONFIG_CIFS_STATS2
-				mid_entry->when_received = jiffies;
+			mid_entry->when_received = jiffies;
 #endif
-				list_del_init(&mid_entry->qhead);
-				mid_entry->callback(mid_entry);
-				break;
-			}
-			mid_entry = NULL;
+			list_del_init(&mid_entry->qhead);
+			mid_entry->callback(mid_entry);
+			break;
 		}
 		spin_unlock(&GlobalMid_Lock);
 



  parent reply	other threads:[~2011-05-19 18:07 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-19 18:06 [00/71] 2.6.38.7-stable review Greg KH
2011-05-19 18:04 ` [01/71] cifs: change bleft in decode_unicode_ssetup back to signed type Greg KH
2011-05-19 18:04 ` [02/71] cifs: check for bytes_remaining going to zero in CIFS_SessSetup Greg KH
2011-05-19 18:04 ` [03/71] cifs: sanitize length checking in coalesce_t2 (try #3) Greg KH
2011-05-19 18:04 ` Greg KH [this message]
2011-05-19 18:04 ` [05/71] cifs: handle errors from coalesce_t2 Greg KH
2011-05-19 18:04 ` [06/71] Validate size of EFI GUID partition entries Greg KH
2011-05-19 18:04 ` [07/71] drm/radeon/kms: add pci id to acer travelmate quirk for 5730 Greg KH
2011-05-19 18:04 ` [08/71] thinkpad-acpi: module autoloading for newer Lenovo ThinkPads Greg KH
2011-05-20  0:58   ` Henrique de Moraes Holschuh
2011-05-19 18:04 ` [09/71] x86, hw_breakpoints: Fix racy access to ptrace breakpoints Greg KH
2011-05-19 18:04 ` [10/71] ptrace: Prepare to fix racy accesses on task breakpoints Greg KH
2011-05-19 18:04 ` [11/71] hw_breakpoints, powerpc: Fix CONFIG_HAVE_HW_BREAKPOINT off-case in ptrace_set_debugreg() Greg KH
2011-05-19 18:04 ` [12/71] iwlwifi: add {ack, plpc}_check module parameters Greg KH
2011-05-19 18:04 ` [13/71] [stable] [PATCH] drm/radeon/kms: fix gart setup on fusion parts (v2) backport Greg KH
2011-05-19 18:04 ` [14/71] vm: fix vm_pgoff wrap in upward expansion Greg KH
2011-05-19 18:04 ` [15/71] Dont lock guardpage if the stack is growing up Greg KH
2011-05-19 18:04 ` [16/71] drm/i915/dp: Be paranoid in case we disable a DP before it is attached Greg KH
2011-05-19 18:04 ` [17/71] drm/i915/lvds: Only act on lid notify when the device is on Greg KH
2011-05-19 18:04 ` [18/71] drm/i915: Release object along create user fb error path Greg KH
2011-05-19 18:04 ` [19/71] dccp: handle invalid feature options length Greg KH
2011-05-19 18:04 ` [20/71] CIFS: Fix memory over bound bug in cifs_parse_mount_options Greg KH
2011-05-19 18:04 ` [21/71] drivers/rtc/rtc-s3c.c: fixup wake support for rtc Greg KH
2011-05-19 18:04 ` [22/71] mm: use alloc_bootmem_node_nopanic() on really needed path Greg KH
2011-05-19 18:04 ` [23/71] tmpfs: fix race between umount and swapoff Greg KH
2011-05-21  4:48   ` Hugh Dickins
2011-05-21 21:43     ` Greg KH
2011-05-19 18:04 ` [24/71] ARM: zImage: make sure the stack is 64-bit aligned Greg KH
2011-05-19 18:04 ` [25/71] PM: Fix warning in pm_restrict_gfp_mask() during SNAPSHOT_S2RAM ioctl Greg KH
2011-05-19 18:04 ` [26/71] PM / Hibernate: Make snapshot_release() restore GFP mask Greg KH
2011-05-19 18:04 ` [27/71] PM / Hibernate: Fix ioctl SNAPSHOT_S2RAM Greg KH
2011-05-19 18:04 ` [28/71] net: ip_expire() must revalidate route Greg KH
2011-05-19 18:04 ` [29/71] can: fix SJA1000 dlc for RTR packets Greg KH
2011-05-19 20:17   ` Kurt Van Dijck
2011-05-19 18:04 ` [30/71] ipheth: Properly distinguish length and alignment in URBs and skbs Greg KH
2011-05-19 18:04 ` [31/71] vmxnet3: Consistently disable irqs when taking adapter->cmd_lock Greg KH
2011-05-19 18:05 ` [32/71] ehea: fix wrongly reported speed and port Greg KH
2011-05-19 18:05 ` [33/71] NET: slip, fix ldisc->open retval Greg KH
2011-05-19 18:05 ` [34/71] PCH_GbE : Fixed the issue of collision detection Greg KH
2011-05-19 18:05 ` [35/71] PCH_GbE : Fixed the issue of checksum judgment Greg KH
2011-05-19 18:05 ` [36/71] pch_gbe: support ML7223 IOH Greg KH
2011-05-19 18:05 ` [37/71] net: dev_close() should check IFF_UP Greg KH
2011-05-19 18:05 ` [38/71] slcan: fix ldisc->open retval Greg KH
2011-05-19 18:05 ` [39/71] ASoC: UDA134x: Remove POWER_OFF_ON_STANDBY define Greg KH
2011-05-19 18:05 ` [40/71] ASoC: SSM2602: Fix Mic Boost2 control Greg KH
2011-05-19 18:05 ` [41/71] ne-h8300: Fix regression caused during net_device_ops conversion Greg KH
2011-05-19 18:05 ` [42/71] hydra: " Greg KH
2011-05-19 18:05 ` [43/71] ehea: Fix memory hotplug oops Greg KH
2011-05-19 18:05 ` [44/71] libertas: fix cmdpendingq locking Greg KH
2011-05-19 18:05 ` [45/71] zorro8390: Fix regression caused during net_device_ops conversion Greg KH
2011-05-19 18:05 ` [46/71] tmpfs: fix race between umount and writepage Greg KH
2011-05-19 18:05 ` [47/71] tmpfs: fix race between swapoff " Greg KH
2011-05-19 18:05 ` [48/71] tmpfs: fix off-by-one in max_blocks checks Greg KH
2011-05-19 18:05 ` [49/71] tmpfs: fix spurious ENOSPC when racing with unswap Greg KH
2011-05-19 18:05 ` [50/71] libata: fix oops when LPM is used with PMP Greg KH
2011-05-19 18:05 ` [51/71] drm/radeon/kms: fix extended lvds info parsing Greg KH
2011-05-19 18:05 ` [52/71] Revert "mmc: fix a race between card-detect rescan and clock-gate work instances" Greg KH
2011-05-19 18:05 ` [53/71] cifs: add fallback in is_path_accessible for old servers Greg KH
2011-05-19 18:05 ` [54/71] rapidio: fix default routing initialization Greg KH
2011-05-19 18:05 ` [55/71] Revert "x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors" Greg KH
2011-05-19 18:05 ` [56/71] x86, AMD: Fix ARAT feature setting again Greg KH
2011-05-19 18:05 ` [57/71] block: rescan partitions on invalidated devices on -ENOMEDIA too Greg KH
2011-05-19 18:12   ` Tejun Heo
2011-05-19 18:18     ` Greg KH
2011-05-25  9:09       ` Tejun Heo
2011-05-30  0:01         ` [stable] " Greg KH
2011-05-19 18:05 ` [58/71] clocksource: Install completely before selecting Greg KH
2011-05-19 18:05 ` [59/71] tick: Clear broadcast active bit when switching to oneshot Greg KH
2011-05-19 18:05 ` [60/71] x86, apic: Fix spurious error interrupts triggering on all non-boot APs Greg KH
2011-05-19 18:05 ` [61/71] [media] Fix cx88 remote control input Greg KH
2011-05-19 18:05 ` [62/71] [media] v4l: Release module if subdev registration fails Greg KH
2011-05-19 18:05 ` [63/71] x86: Fix UV BAU for non-consecutive nasids Greg KH
2011-05-19 18:05 ` [64/71] x86, mce, AMD: Fix leaving freed data in a list Greg KH
2011-05-19 18:05 ` [65/71] [SCSI] megaraid_sas: Sanity check user supplied length before passing it to dma_alloc_coherent() Greg KH
2011-05-19 18:05 ` [66/71] cdrom: always check_disk_change() on open Greg KH
2011-05-19 18:05 ` [67/71] vmxnet3: Fix inconsistent LRO state after initialization Greg KH
2011-05-19 18:05 ` [68/71] [SCSI] Revert "[SCSI] Retrieve the Caching mode page" Greg KH
2011-05-19 18:05 ` [69/71] cifs: clean up various nits in unicode routines (try #2) Greg KH
2011-05-19 18:05 ` [70/71] cifs: fix cifsConvertToUCS() for the mapchars case Greg KH
2011-05-19 18:05 ` [71/71] iwlegacy: fix IBSS mode crashes Greg KH

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