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Groups > linux.kernel > #1429261

[PATCH 4.6 19/81] net: stmmac: Fix incorrect memcpy source memory

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

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

From: Marek Vasut <marex@denx.de>

[ Upstream commit 643d60bf575daaba93c1ac0d0e1c4b1d4ded1f75 ]

The memcpy() currently copies mdio_bus_data into new_bus->irq, which
makes no sense, since the mdio_bus_data structure contains more than
just irqs. The code was likely supposed to copy mdio_bus_data->irqs
into the new_bus->irq instead, so fix this.

Fixes: e7f4dc3536a4 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -209,7 +209,7 @@ int stmmac_mdio_register(struct net_devi
 		return -ENOMEM;
 
 	if (mdio_bus_data->irqs)
-		memcpy(new_bus->irq, mdio_bus_data, sizeof(new_bus->irq));
+		memcpy(new_bus->irq, mdio_bus_data->irqs, sizeof(new_bus->irq));
 
 #ifdef CONFIG_OF
 	if (priv->device->of_node)

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[PATCH 4.6 00/81] 4.6.3-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 12/81] ipv4: Fix non-initialized TTL when CONFIG_SYSCTL=n Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 25/81] l2tp: fix configuration passed to setup_udp_tunnel_sock() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 40/81] gpiolib: Fix NULL pointer deference Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 27/81] KVM: arm/arm64: vgic-v2: Clear all dirty LRs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 13/81] bpf, inode: disallow userns mounts Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 45/81] crypto: public_key: select CRYPTO_AKCIPHER Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 09/81] bpf: Use mount_nodev not mount_ns to mount the bpf filesystem Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 19/81] net: stmmac: Fix incorrect memcpy source memory Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 23/81] tcp: record TLP and ER timer stats in v6 stats Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 02/81] scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 43/81] s390/bpf: reduce maximum program size to 64 KB Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 28/81] KVM: arm/arm64: vgic-v3: Clear all dirty LRs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 15/81] net: hwbm: Fix unbalanced spinlock in error case Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 08/81] tuntap: correctly wake up process during uninit Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 01:10 +0200
  [PATCH 4.6 00/87] 4.6.3-stable review -rc2 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-06-23 07:00 +0200
  Re: [PATCH 4.6 38/81] gpio: bail out silently on NULL descriptors Linus Walleij <linus.walleij@linaro.org> - 2016-06-23 09:30 +0200
    Re: [PATCH 4.6 38/81] gpio: bail out silently on NULL descriptors Hans de Goede <hdegoede@redhat.com> - 2016-06-23 11:20 +0200

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