AuxXxilium/linux_dsm_epyc7002
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9203090866
linux_dsm_epyc7002/drivers/net/ethernet
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Soren Brinkmann 9203090866 net: macb: Check DMA mappings for error 
With CONFIG_DMA_API_DEBUG enabled the following warning is printed:
 WARNING: CPU: 0 PID: 619 at lib/dma-debug.c:1101 check_unmap+0x758/0x894()
 macb e000b000.ethernet: DMA-API: device driver failed to check map error[device address=0x000000002d171c02] [size=322 bytes] [mapped as single]
 Modules linked in:
 CPU: 0 PID: 619 Comm: udhcpc Not tainted 3.14.0-rc3-xilinx-00219-gd158fc7f36a2 #63
 [<c001516c>] (unwind_backtrace) from [<c0011df8>] (show_stack+0x10/0x14)
 [<c0011df8>] (show_stack) from [<c03c7714>] (dump_stack+0x7c/0xc8)
 [<c03c7714>] (dump_stack) from [<c00245cc>] (warn_slowpath_common+0x60/0x84)
 [<c00245cc>] (warn_slowpath_common) from [<c0024670>] (warn_slowpath_fmt+0x2c/0x3c)
 [<c0024670>] (warn_slowpath_fmt) from [<c0228244>] (check_unmap+0x758/0x894)
 [<c0228244>] (check_unmap) from [<c0228588>] (debug_dma_unmap_page+0x64/0x70)
 [<c0228588>] (debug_dma_unmap_page) from [<c02aba64>] (macb_interrupt+0x1f8/0x2dc)
 [<c02aba64>] (macb_interrupt) from [<c006c6e4>] (handle_irq_event_percpu+0x2c/0x178)
 [<c006c6e4>] (handle_irq_event_percpu) from [<c006c86c>] (handle_irq_event+0x3c/0x5c)
 [<c006c86c>] (handle_irq_event) from [<c006f548>] (handle_fasteoi_irq+0xb8/0x100)
 [<c006f548>] (handle_fasteoi_irq) from [<c006c148>] (generic_handle_irq+0x20/0x30)
 [<c006c148>] (generic_handle_irq) from [<c000f35c>] (handle_IRQ+0x64/0x8c)
 [<c000f35c>] (handle_IRQ) from [<c0008528>] (gic_handle_irq+0x3c/0x60)
 [<c0008528>] (gic_handle_irq) from [<c0012904>] (__irq_svc+0x44/0x78)
 Exception stack(0xed197f60 to 0xed197fa8)
 7f60: 00000134 60000013 bd94362e bd94362e be96b37c 00000014 fffffd72 00000122
 7f80: c000ebe4 ed196000 00000000 00000011 c032c0d8 ed197fa8 c0064008 c000ea20
 7fa0: 60000013 ffffffff
 [<c0012904>] (__irq_svc) from [<c000ea20>] (ret_fast_syscall+0x0/0x48)
 ---[ end trace 478f921d0d542d1e ]---
 Mapped at:
  [<c0227184>] debug_dma_map_page+0x48/0x11c
  [<c02aaca0>] macb_start_xmit+0x184/0x2a8
  [<c03143c0>] dev_hard_start_xmit+0x334/0x470
  [<c032c09c>] sch_direct_xmit+0x78/0x2f8
  [<c0314814>] __dev_queue_xmit+0x318/0x708

due to missing checks of the dma mapping. Add the appropriate checks to fix
this.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-05 20:40:25 -05:00
..
3com 3c59x: Remove unused pointer in vortex_eisa_cleanup() 2014-02-09 19:06:14 -08:00
8390 net/apne: Remove unused variable ei_local 2014-01-26 22:40:43 -08:00
adaptec
adi net: bfin_mac: do not reset PHY after phy_start() 2013-12-09 20:38:59 -05:00
aeroflex drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
allwinner net: ethernet: sunxi: Add new compatibles 2014-02-06 19:46:54 -08:00
alteon drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
amd Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
apple macmace: add missing platform_set_drvdata() in mace_probe() 2013-11-11 14:02:08 -05:00
arc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-06 17:37:45 -05:00
atheros alx: add missing stats_lock spinlock init 2014-02-10 17:50:35 -08:00
broadcom b44: always set duplex mode why phy changes 2014-03-02 19:05:25 -05:00
brocade bna: fix vlan tag stripping and implement its toggling 2014-02-28 17:17:38 -05:00
cadence net: macb: Check DMA mappings for error 2014-03-05 20:40:25 -05:00
calxeda drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
chelsio net/cxgb4: use remove handler as shutdown handler 2014-02-25 18:35:13 -05:00
cirrus drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
cisco net: enic: slight optimization of addr compare 2013-12-31 16:48:31 -05:00
davicom dm9000: fix a lot of checkpatch issues 2014-01-16 16:22:53 -08:00
dec drivers/net: tulip_remove_one needs to call pci_disable_device() 2014-02-17 00:19:24 -05:00
dlink drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
emulex be2net: isolate TX workarounds not applicable to Skyhawk-R 2014-03-03 15:48:11 -05:00
faraday net: ftgmac100: use kfree_skb() where appropriate 2014-01-17 18:54:13 -08:00
freescale net: fec: fix potential issue to avoid fec interrupt lost and crc error 2014-02-20 13:16:13 -05:00
fujitsu drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
hp
i825xx drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
ibm Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
icplus drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
intel netdevice: add queue selection fallback handler for ndo_select_queue 2014-02-17 00:36:34 -05:00
marvell net: ethernet: update dependency and help text of mvneta 2014-02-18 18:09:02 -05:00
mellanox net/mlx4: Support shutdown() interface 2014-03-05 20:40:24 -05:00
micrel drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
microchip
moxa drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
myricom
natsemi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
neterion net: vxge: Remove unused device pointer 2014-02-09 19:11:07 -08:00
nuvoton
nvidia drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
nxp drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
octeon Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm 2013-11-14 07:55:21 +09:00
oki-semi ethernet: Fix FSF address in file headers 2013-12-06 12:37:55 -05:00
packetengines net: packetengines: slight optimization of addr 2013-12-31 16:48:32 -05:00
pasemi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
qlogic qlcnic: dcb: a couple off by one bugs 2014-03-03 15:38:12 -05:00
rdc r6040: use ETH_ZLEN instead of MISR for SKB length checking 2014-01-16 16:22:54 -08:00
realtek r8169: initialize rtl8169_stats seqlock 2014-02-24 20:32:23 -05:00
renesas sh_eth: Add support for r7s72100 2014-01-17 18:13:58 -08:00
seeq drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
sfc sfc: check for NULL efx->ptp_data in efx_ptp_event 2014-02-26 15:22:02 -05:00
sgi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
silan
sis net: sis900: remove unnecessary pci_set_drvdata() 2013-12-09 18:09:28 -05:00
smsc drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
stmicro net: stmmac: Check return value of alloc_dma_desc_resources() 2014-02-24 18:58:10 -05:00
sun drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
tehuti net: Spelling s/transmition/transmission/ 2014-01-14 17:11:26 -08:00
ti net: cpsw: fix cpdma rx descriptor leak on down interface 2014-03-03 15:50:31 -05:00
tile netdevice: add queue selection fallback handler for ndo_select_queue 2014-02-17 00:36:34 -05:00
toshiba drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
tundra drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
via net,via-rhine: Fix tx_timeout handling 2014-01-15 15:21:08 -08:00
wiznet
xilinx net: axienet: Fix compilation warnings 2014-02-13 18:07:40 -05:00
xircom ethernet: Fix FSF address in file headers 2013-12-06 12:37:55 -05:00
xscale ixp4xx_eth: Implement the SIOCGHWTSTAMP ioctl 2013-11-21 17:17:48 +00:00
dnet.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
dnet.h
ethoc.c net: ethoc: set up MII management bus clock 2014-02-04 20:19:51 -08:00
fealnx.c
jme.c
jme.h jme: Remove unused #define PFX 2013-11-07 02:14:32 -05:00
Kconfig
korina.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
lantiq_etop.c netdevice: add queue selection fallback handler for ndo_select_queue 2014-02-17 00:36:34 -05:00
Makefile
netx-eth.c ethernet: Fix FSF address in file headers 2013-12-06 12:37:55 -05:00
s6gmac.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00