Revision 9b4fe5fb0bdd8f31f24cbfe77e38ec8155c250c5 authored by Neil Horman on 12 July 2013, 17:35:33 UTC, committed by David S. Miller on 12 July 2013, 23:28:02 UTC
this bug: https://bugzilla.redhat.com/show_bug.cgi?id=951695 Reported a dma debug backtrace: WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930() Hardware name: To Be Filled By O.E.M. via-rhine 0000:00:12.0: DMA-API: device driver failed to check map error[device address=0x0000000075a837b2] [size=90 bytes] [mapped as single] Modules linked in: ip6_tables gspca_spca561 gspca_main videodev media snd_hda_codec_realtek snd_hda_intel i2c_viapro snd_hda_codec snd_hwdep snd_seq ppdev mperf via_rhine coretemp snd_pcm mii microcode snd_page_alloc snd_timer snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore parport_pc parport shpchp ata_generic pata_acpi radeon i2c_algo_bit drm_kms_helper ttm drm pata_via sata_via i2c_core uinput Pid: 295, comm: systemd-journal Not tainted 3.9.0-0.rc6.git2.1.fc20.x86_64 #1 Call Trace: <IRQ> [<ffffffff81068dd0>] warn_slowpath_common+0x70/0xa0 [<ffffffff81068e4c>] warn_slowpath_fmt+0x4c/0x50 [<ffffffff8137ec6d>] check_unmap+0x47d/0x930 [<ffffffff810ace9f>] ? local_clock+0x5f/0x70 [<ffffffff8137f17f>] debug_dma_unmap_page+0x5f/0x70 [<ffffffffa0225edc>] ? rhine_ack_events.isra.14+0x3c/0x50 [via_rhine] [<ffffffffa02275f8>] rhine_napipoll+0x1d8/0xd80 [via_rhine] [<ffffffff815d3d51>] ? net_rx_action+0xa1/0x380 [<ffffffff815d3e22>] net_rx_action+0x172/0x380 [<ffffffff8107345f>] __do_softirq+0xff/0x400 [<ffffffff81073925>] irq_exit+0xb5/0xc0 [<ffffffff81724cd6>] do_IRQ+0x56/0xc0 [<ffffffff81719ff2>] common_interrupt+0x72/0x72 <EOI> [<ffffffff8170ff57>] ? __slab_alloc+0x4c2/0x526 [<ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0 [<ffffffff810d5807>] ? __lock_is_held+0x57/0x80 [<ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0 [<ffffffff811bf1bf>] kmem_cache_alloc+0x2df/0x360 [<ffffffff811992e0>] mmap_region+0x2b0/0x5a0 [<ffffffff811998e6>] do_mmap_pgoff+0x316/0x3d0 [<ffffffff81183ca0>] vm_mmap_pgoff+0x90/0xc0 [<ffffffff81197d6c>] sys_mmap_pgoff+0x4c/0x190 [<ffffffff81367d7e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8101eb42>] sys_mmap+0x22/0x30 [<ffffffff81722fd9>] system_call_fastpath+0x16/0x1b Usual problem with the usual fix, add the appropriate calls to dma_mapping_error where appropriate Untested, as I don't have hardware, but its pretty straightforward Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: David S. Miller <davem@davemloft.net> CC: Roger Luethi <rl@hellgate.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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| File | Mode | Size |
|---|---|---|
| Kconfig | -rw-r--r-- | 15.7 KB |
| Makefile | -rw-r--r-- | 3.1 KB |
| spi-altera.c | -rw-r--r-- | 7.5 KB |
| spi-ath79.c | -rw-r--r-- | 7.3 KB |
| spi-atmel.c | -rw-r--r-- | 42.4 KB |
| spi-au1550.c | -rw-r--r-- | 25.8 KB |
| spi-bcm2835.c | -rw-r--r-- | 11.0 KB |
| spi-bcm63xx.c | -rw-r--r-- | 12.7 KB |
| spi-bfin-sport.c | -rw-r--r-- | 22.8 KB |
| spi-bfin5xx.c | -rw-r--r-- | 40.1 KB |
| spi-bitbang-txrx.h | -rw-r--r-- | 3.0 KB |
| spi-bitbang.c | -rw-r--r-- | 13.0 KB |
| spi-butterfly.c | -rw-r--r-- | 8.5 KB |
| spi-clps711x.c | -rw-r--r-- | 7.1 KB |
| spi-coldfire-qspi.c | -rw-r--r-- | 14.8 KB |
| spi-davinci.c | -rw-r--r-- | 27.2 KB |
| spi-dw-mid.c | -rw-r--r-- | 6.0 KB |
| spi-dw-mmio.c | -rw-r--r-- | 3.1 KB |
| spi-dw-pci.c | -rw-r--r-- | 3.8 KB |
| spi-dw.c | -rw-r--r-- | 21.9 KB |
| spi-dw.h | -rw-r--r-- | 5.8 KB |
| spi-ep93xx.c | -rw-r--r-- | 30.5 KB |
| spi-falcon.c | -rw-r--r-- | 11.1 KB |
| spi-fsl-cpm.c | -rw-r--r-- | 9.6 KB |
| spi-fsl-cpm.h | -rw-r--r-- | 1.6 KB |
| spi-fsl-espi.c | -rw-r--r-- | 17.5 KB |
| spi-fsl-lib.c | -rw-r--r-- | 5.9 KB |
| spi-fsl-lib.h | -rw-r--r-- | 3.7 KB |
| spi-fsl-spi.c | -rw-r--r-- | 22.3 KB |
| spi-fsl-spi.h | -rw-r--r-- | 2.0 KB |
| spi-gpio.c | -rw-r--r-- | 14.6 KB |
| spi-imx.c | -rw-r--r-- | 24.1 KB |
| spi-lm70llp.c | -rw-r--r-- | 9.1 KB |
| spi-mpc512x-psc.c | -rw-r--r-- | 15.5 KB |
| spi-mpc52xx-psc.c | -rw-r--r-- | 13.3 KB |
| spi-mpc52xx.c | -rw-r--r-- | 14.4 KB |
| spi-mxs.c | -rw-r--r-- | 14.6 KB |
| spi-nuc900.c | -rw-r--r-- | 9.6 KB |
| spi-oc-tiny.c | -rw-r--r-- | 10.0 KB |
| spi-octeon.c | -rw-r--r-- | 8.3 KB |
| spi-omap-100k.c | -rw-r--r-- | 15.3 KB |
| spi-omap-uwire.c | -rw-r--r-- | 13.2 KB |
| spi-omap2-mcspi.c | -rw-r--r-- | 37.5 KB |
| spi-orion.c | -rw-r--r-- | 11.7 KB |
| spi-pl022.c | -rw-r--r-- | 68.3 KB |
| spi-ppc4xx.c | -rw-r--r-- | 13.6 KB |
| spi-pxa2xx-dma.c | -rw-r--r-- | 9.6 KB |
| spi-pxa2xx-pci.c | -rw-r--r-- | 1.9 KB |
| spi-pxa2xx-pxadma.c | -rw-r--r-- | 13.4 KB |
| spi-pxa2xx.c | -rw-r--r-- | 34.5 KB |
| spi-pxa2xx.h | -rw-r--r-- | 5.6 KB |
| spi-rspi.c | -rw-r--r-- | 19.2 KB |
| spi-s3c24xx-fiq.S | -rw-r--r-- | 2.9 KB |
| spi-s3c24xx-fiq.h | -rw-r--r-- | 671 bytes |
| spi-s3c24xx.c | -rw-r--r-- | 16.3 KB |
| spi-s3c64xx.c | -rw-r--r-- | 43.8 KB |
| spi-sc18is602.c | -rw-r--r-- | 8.4 KB |
| spi-sh-hspi.c | -rw-r--r-- | 7.6 KB |
| spi-sh-msiof.c | -rw-r--r-- | 18.3 KB |
| spi-sh-sci.c | -rw-r--r-- | 4.7 KB |
| spi-sh.c | -rw-r--r-- | 12.3 KB |
| spi-sirf.c | -rw-r--r-- | 17.9 KB |
| spi-tegra114.c | -rw-r--r-- | 33.7 KB |
| spi-tegra20-sflash.c | -rw-r--r-- | 16.9 KB |
| spi-tegra20-slink.c | -rw-r--r-- | 34.8 KB |
| spi-ti-ssp.c | -rw-r--r-- | 8.9 KB |
| spi-tle62x0.c | -rw-r--r-- | 7.3 KB |
| spi-topcliff-pch.c | -rw-r--r-- | 47.9 KB |
| spi-txx9.c | -rw-r--r-- | 11.7 KB |
| spi-xcomm.c | -rw-r--r-- | 6.0 KB |
| spi-xilinx.c | -rw-r--r-- | 14.6 KB |
| spi.c | -rw-r--r-- | 47.3 KB |
| spidev.c | -rw-r--r-- | 17.6 KB |
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