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Haavard Skinnemoen 8bacb21901 atmel_spi: fix dmachain oops with DEBUG enabled 
In atmel_spi_next_xfer, xfer can be NULL because the next transfer may
already have been submitted to the PDC (using DMA chaining).  This can
cause an oops, since the debug message assumed it was never null.  The
fix changes how those debug messages are issued, ensuring that one is
issued each time a transfer is started instead of once per call.

Also, properly indent the "can this transfer be chained" test so it's
not hidden as if it were non-conditional code.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-02-06 10:41:10 -08:00
..
acorn/char
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acpi latency.c: use QoS infrastructure 2008-02-05 09:44:22 -08:00
amba
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ata iommu sg merging: sata_inic162x: use pci_set_dma_max_seg_size 2008-02-05 09:44:11 -08:00
atm
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auxdisplay
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base register_cpu __devinit or __cpuinit 2008-02-06 10:41:01 -08:00
block Atari floppy: Rename disk_type to atari_disk_type 2008-02-06 10:41:10 -08:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-02-05 10:09:07 -08:00
cdrom drivers/cdrom/cdrom.c: simplify logic in cdrom_release() 2008-02-06 10:41:10 -08:00
char tpm: infineon section mismatch 2008-02-06 10:41:10 -08:00
clocksource
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connector
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cpufreq
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cpuidle pm qos infrastructure and interface 2008-02-05 09:44:22 -08:00
crypto
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dca
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dio dio: ARRAY_SIZE() cleanup 2008-02-05 09:44:23 -08:00
dma
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edac drivers/edac/: Spelling fixes 2008-02-03 17:12:34 +02:00
eisa
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firewire
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firmware dcdbas: add DMI-based module autloading 2008-02-06 10:41:01 -08:00
gpio gpiolib: pca9539 i2c gpio expander support 2008-02-05 09:44:13 -08:00
hid
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hwmon
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i2c deprecate obsolete pca9539 driver 2008-02-05 09:44:13 -08:00
ide cleanup after APUS removal 2008-02-06 10:41:01 -08:00
ieee1394
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infiniband RDMA/nes: Add a driver for NetEffect RNICs 2008-02-04 20:20:45 -08:00
input Remove pointless casts from void pointers 2008-02-06 10:41:01 -08:00
isdn drivers/isdn/i4l/isdn_tty.c: remove write_sem 2008-02-06 10:41:07 -08:00
leds leds: add possibility to remove leds classdevs during suspend/resume 2008-02-05 09:44:23 -08:00
lguest virtio: reset function 2008-02-04 23:50:03 +11:00
macintosh ppc: fix #ifdef-s in mediabay driver (take 2) 2008-02-06 02:57:50 +01:00
mca
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md
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media scheduled OSS driver removal 2008-02-06 10:41:02 -08:00
message drivers/message/: Spelling fixes 2008-02-03 17:21:01 +02:00
mfd
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misc phantom: don't grab other devices 2008-02-06 10:41:10 -08:00
mmc
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mtd Claim maintainership for block2mtd and update email addresses 2008-02-06 10:41:09 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-02-05 10:09:07 -08:00
nubus nubus: kill drivers/nubus/nubus_syms.c 2008-02-05 09:44:23 -08:00
of
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oprofile
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parisc iommu sg merging: parisc: make iommu respect the segment size limits 2008-02-05 09:44:10 -08:00
parport parport_pc: detection for SuperIO IT87XX POST 2008-02-06 10:41:08 -08:00
pci Genericizing iova.[ch] 2008-02-06 10:41:01 -08:00
pcmcia drivers/pcmcia: add missing pci_dev_get 2008-02-05 09:44:09 -08:00
pnp
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power
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ps3
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rapidio
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rtc
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s390 calibrate_delay() must be __cpuinit 2008-02-06 10:41:08 -08:00
sbus
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scsi cleanup after APUS removal 2008-02-06 10:41:01 -08:00
serial SC26XX: New serial driver for SC2681 uarts 2008-02-06 10:41:06 -08:00
sh
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sn
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spi atmel_spi: fix dmachain oops with DEBUG enabled 2008-02-06 10:41:10 -08:00
ssb drivers/ssb/: Spelling fixes 2008-02-03 17:30:25 +02:00
tc
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telephony
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uio uio: nopage 2008-02-06 10:41:07 -08:00
usb
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video cleanup after APUS removal 2008-02-06 10:41:01 -08:00
virtio virtio: balloon driver 2008-02-04 23:50:13 +11:00
w1 W1: w1_therm.c standardize units to millidegrees C 2008-02-06 10:41:10 -08:00
watchdog drivers/watchdog/: Spelling fixes 2008-02-03 17:32:52 +02:00
xen
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zorro
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Kconfig gpiolib: add drivers/gpio directory 2008-02-05 09:44:12 -08:00
Makefile gpiolib: add drivers/gpio directory 2008-02-05 09:44:12 -08:00