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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Ben Hutchings <ben@decadent.org.uk>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.4 38/45] catc: Combine failure cleanup code in catc_probe()
Date: Wed, 19 Apr 2017 16:56:20 +0200	[thread overview]
Message-ID: <20170419141636.311216278@linuxfoundation.org> (raw)
In-Reply-To: <20170419141634.793081968@linuxfoundation.org>

4.4-stable review patch.  If anyone has any objections, please let me know.

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

From: Ben Hutchings <ben@decadent.org.uk>

commit d41149145f98fe26dcd0bfd1d6cc095e6e041418 upstream.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/usb/catc.c |   33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -777,7 +777,7 @@ static int catc_probe(struct usb_interfa
 	struct net_device *netdev;
 	struct catc *catc;
 	u8 broadcast[ETH_ALEN];
-	int i, pktsz;
+	int i, pktsz, ret;
 
 	if (usb_set_interface(usbdev,
 			intf->altsetting->desc.bInterfaceNumber, 1)) {
@@ -812,12 +812,8 @@ static int catc_probe(struct usb_interfa
 	if ((!catc->ctrl_urb) || (!catc->tx_urb) || 
 	    (!catc->rx_urb) || (!catc->irq_urb)) {
 		dev_err(&intf->dev, "No free urbs available.\n");
-		usb_free_urb(catc->ctrl_urb);
-		usb_free_urb(catc->tx_urb);
-		usb_free_urb(catc->rx_urb);
-		usb_free_urb(catc->irq_urb);
-		free_netdev(netdev);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto fail_free;
 	}
 
 	/* The F5U011 has the same vendor/product as the netmate but a device version of 0x130 */
@@ -914,16 +910,21 @@ static int catc_probe(struct usb_interfa
 	usb_set_intfdata(intf, catc);
 
 	SET_NETDEV_DEV(netdev, &intf->dev);
-	if (register_netdev(netdev) != 0) {
-		usb_set_intfdata(intf, NULL);
-		usb_free_urb(catc->ctrl_urb);
-		usb_free_urb(catc->tx_urb);
-		usb_free_urb(catc->rx_urb);
-		usb_free_urb(catc->irq_urb);
-		free_netdev(netdev);
-		return -EIO;
-	}
+	ret = register_netdev(netdev);
+	if (ret)
+		goto fail_clear_intfdata;
+
 	return 0;
+
+fail_clear_intfdata:
+	usb_set_intfdata(intf, NULL);
+fail_free:
+	usb_free_urb(catc->ctrl_urb);
+	usb_free_urb(catc->tx_urb);
+	usb_free_urb(catc->rx_urb);
+	usb_free_urb(catc->irq_urb);
+	free_netdev(netdev);
+	return ret;
 }
 
 static void catc_disconnect(struct usb_interface *intf)

  parent reply	other threads:[~2017-04-19 15:03 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-19 14:55 [PATCH 4.4 00/45] 4.4.63-stable review Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 01/45] cgroup, kthread: close race window where new kthreads can be migrated to non-root cgroups Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 02/45] thp: fix MADV_DONTNEED vs clear soft dirty race Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 03/45] drm/nouveau/mpeg: mthd returns true on success now Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 04/45] drm/nouveau/mmu/nv4a: use nv04 mmu rather than the nv44 one Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 05/45] CIFS: store results of cifs_reopen_file to avoid infinite wait Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 06/45] Input: xpad - add support for Razer Wildcat gamepad Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 07/45] perf/x86: Avoid exposing wrong/stale data in intel_pmu_lbr_read_32() Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 08/45] x86/vdso: Ensure vdso32_enabled gets set to valid values only Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 09/45] x86/vdso: Plug race between mapping and ELF header setup Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 10/45] acpi, nfit, libnvdimm: fix interleave set cookie calculation (64-bit comparison) Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 11/45] iscsi-target: Fix TMR reference leak during session shutdown Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 12/45] iscsi-target: Drop work-around for legacy GlobalSAN initiator Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 13/45] scsi: sr: Sanity check returned mode data Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 14/45] scsi: sd: Consider max_xfer_blocks if opt_xfer_blocks is unusable Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 15/45] scsi: sd: Fix capacity calculation with 32-bit sector_t Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 16/45] xen, fbfront: fix connecting to backend Greg Kroah-Hartman
2017-04-19 14:55 ` [PATCH 4.4 17/45] libnvdimm: fix reconfig_mutex, mmap_sem, and jbd2_handle lockdep splat Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 18/45] irqchip/irq-imx-gpcv2: Fix spinlock initialization Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 19/45] ftrace: Fix removing of second function probe Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 20/45] char: Drop bogus dependency of DEVPORT on !M68K Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 21/45] char: lack of bool string made CONFIG_DEVPORT always on Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 22/45] Revert "MIPS: Lantiq: Fix cascaded IRQ setup" Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 23/45] kvm: fix page struct leak in handle_vmon Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 24/45] zram: do not use copy_page with non-page aligned address Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 25/45] powerpc: Disable HFSCR[TM] if TM is not supported Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 26/45] crypto: ahash - Fix EINPROGRESS notification callback Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 27/45] ath9k: fix NULL pointer dereference Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 28/45] [media] dvb-usb-v2: avoid use-after-free Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 29/45] ext4: fix inode checksum calculation problem if i_extra_size is small Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 31/45] rtc: tegra: Implement clock handling Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 32/45] mm: Tighten x86 /dev/mem with zeroing reads Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 33/45] [media] dvb-usb: dont use stack for firmware load Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 35/45] virtio-console: avoid DMA from stack Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 37/45] rtl8150: Use heap buffers for all register access Greg Kroah-Hartman
2017-04-19 14:56 ` Greg Kroah-Hartman [this message]
2017-04-19 14:56 ` [PATCH 4.4 39/45] catc: Use heap buffer for memory size test Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 40/45] ibmveth: calculate gso_segs for large packets Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 41/45] SUNRPC: fix refcounting problems with auth_gss messages Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 42/45] tty/serial: atmel: RS485 half duplex w/DMA: enable RX after TX is done Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 44/45] sctp: deny peeloff operation on asocs with threads sleeping on it Greg Kroah-Hartman
2017-04-19 14:56 ` [PATCH 4.4 45/45] MIPS: fix Select HAVE_IRQ_EXIT_ON_IRQ_STACK patch Greg Kroah-Hartman
2017-04-19 20:39 ` [PATCH 4.4 00/45] 4.4.63-stable review Shuah Khan
2017-04-19 23:21 ` Guenter Roeck

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