Sudip Mukherjee dd85ebf681 spi: spidev: fix possible NULL dereference ...

During the last close we are freeing spidev if spidev->spi is NULL, but
just before checking if spidev->spi is NULL we are dereferencing it.
Lets add a check there to avoid the NULL dereference.

Fixes: 9169051617 ("spi: spidev: Don't mangle max_speed_hz in underlying spi device")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2015-09-11 13:26:38 +01:00

..

Kconfig

Merge remote-tracking branches 'spi/topic/sirf', 'spi/topic/spidev' and 'spi/topic/zynq' into spi-next

2015-06-18 00:19:56 +01:00

Makefile

Merge remote-tracking branches 'spi/topic/sirf', 'spi/topic/spidev' and 'spi/topic/zynq' into spi-next

2015-06-18 00:19:56 +01:00

spi-adi-v3.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-altera.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-ath79.c

spi: spi-ath79: Set the initial state of CS0

2015-04-27 15:44:57 +01:00

spi-atmel.c

spi: atmel: add support to FIFOs

2015-06-16 13:08:19 +01:00

spi-au1550.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-bcm53xx.c

Merge remote-tracking branches 'spi/topic/atmel', 'spi/topic/bcm2385', 'spi/topic/bcm2835', 'spi/topic/bcm53xx' and 'spi/topic/bitbang' into spi-next

2015-04-11 23:09:03 +01:00

spi-bcm53xx.h

spi: bcm53xx: driver for SPI controller on Broadcom bcma SoC

2014-08-19 11:30:55 -05:00

spi-bcm63xx-hsspi.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-bcm63xx.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-bcm2835.c

spi: bcm2835: bcm2835_dma_release() can be static

2015-05-12 15:37:22 +01:00

spi-bfin5xx.c

spi: spi-bfin5xx: Initialize cr_width in bfin_spi_pump_transfers()

2015-04-01 21:28:56 +01:00

spi-bfin-sport.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-bitbang-txrx.h

spi: bitbang: only toggle bitchanges

2015-03-31 17:20:36 +01:00

spi-bitbang.c

spi: bitbang: Make setup_transfer() callback optional

2015-04-18 12:01:03 +01:00

spi-butterfly.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-cadence.c

Merge remote-tracking branches 'spi/topic/atmel', 'spi/topic/cadence', 'spi/topic/dw' and 'spi/topic/fsl-cpm' into spi-next

2014-12-08 12:17:12 +00:00

spi-clps711x.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-coldfire-qspi.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-davinci.c

spi: davinci: change the lower limit of pre-scale divider to 1

2015-06-10 18:28:04 +01:00

spi-dln2.c

spi/dln2: simplify return flow for dln2_spi_transfer_setup and dln2_spi_enable

2015-01-06 17:02:50 +00:00

spi-dw-mid.c

spi: dw-spi: Convert 16bit accesses to 32bit accesses

2015-03-17 12:27:09 +00:00

spi-dw-mmio.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-dw-pci.c

spi: dw-pci: correct number of chip selects

2015-02-24 16:59:32 +09:00

spi-dw.c

spi: dw: fix crash on setup stage

2015-03-25 11:54:40 -07:00

spi-dw.h

spi: dw-spi: Convert 16bit accesses to 32bit accesses

2015-03-17 12:27:09 +00:00

spi-efm32.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-ep93xx.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-falcon.c

Merge remote-tracking branches 'spi/topic/falcon', 'spi/topic/fsf', 'spi/topic/fsl', 'spi/topic/fsl-dspi' and 'spi/topic/gpio' into spi-next

2015-02-08 11:16:46 +08:00

spi-fsl-cpm.c

spi: fsl-spi: fix devm_ioremap_resource() error case

2015-04-24 13:27:53 +01:00

spi-fsl-cpm.h

spi/spi-fsl-spi: Make driver usable in CPU mode outside of an FSL_SOC environment

2013-04-07 10:07:54 +01:00

spi-fsl-dspi.c

spi: fsl-dspi: Use pinctrl PM helpers

2015-06-12 18:28:13 +01:00

spi-fsl-espi.c

Merge remote-tracking branches 'spi/fix/fsl-dspi', 'spi/fix/fsl-espi', 'spi/fix/orion' and 'spi/fix/pl022' into spi-linus

2015-06-18 00:19:46 +01:00

spi-fsl-lib.c

spi: fsl-(e)spi: Support compile as module

2015-01-06 17:03:34 +00:00

spi-fsl-lib.h

spi: fsl-(e)spi: Support compile as module

2015-01-06 17:03:34 +00:00

spi-fsl-spi.c

Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2014-12-14 16:10:09 -08:00

spi-fsl-spi.h

spi/spi-fsl-spi: Add support for Aeroflex Gaisler GRLIB cores normally running on SPARC

2013-04-07 10:07:56 +01:00

spi-gpio.c

Merge remote-tracking branches 'spi/topic/falcon', 'spi/topic/fsf', 'spi/topic/fsl', 'spi/topic/fsl-dspi' and 'spi/topic/gpio' into spi-next

2015-02-08 11:16:46 +08:00

spi-img-spfi.c

Merge remote-tracking branch 'spi/fix/img-spfi' into spi-linus

2015-04-11 23:08:54 +01:00

spi-imx.c

spi: imx: Constify platform_device_id

2015-05-01 17:37:26 +01:00

spi-lm70llp.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-meson-spifc.c

spi: meson: Constify struct regmap_config

2015-01-05 20:11:32 +00:00

spi-mpc52xx-psc.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-mpc52xx.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-mpc512x-psc.c

spi: constify of_device_id array

2015-03-17 12:15:22 +00:00

spi-mxs.c

spi: mxs: cleanup wait_for_completion return handling

2015-02-05 18:04:57 +00:00

spi-nuc900.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-oc-tiny.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-octeon.c

spi: constify of_device_id array

2015-03-17 12:15:22 +00:00

spi-omap2-mcspi.c

spi: omap2-mcspi: Handle error on gpio_request

2015-05-25 13:00:04 +01:00

spi-omap-100k.c

spi/omap100k: Convert to runtime PM

2015-03-17 12:25:48 +00:00

spi-omap-uwire.c

spi: omap-uwire: Remove needless include asm/irq.h

2015-03-23 09:43:37 -07:00

spi-orion.c

spi: orion: Fix extended baud rates for each Armada SoCs

2015-05-27 18:44:57 +01:00

spi-pl022.c

Merge remote-tracking branches 'spi/topic/omap-100k', 'spi/topic/omap-uwire', 'spi/topic/pl022', 'spi/topic/pm' and 'spi/topic/pxa2xx' into spi-next

2015-04-11 23:09:18 +01:00

spi-ppc4xx.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-pxa2xx-dma.c

spi: pxa2xx: Cleanup register access macros

2014-12-22 20:17:23 +00:00

spi-pxa2xx-pci.c

spi: pxa2xx: Differentiate Intel LPSS types

2015-06-05 11:40:45 +01:00

spi-pxa2xx.c

spi: pxa2xx: Constify ACPI device ids

2015-06-15 10:52:24 +01:00

spi-pxa2xx.h

spi: spi-pxa2xx: remove legacy PXA DMA bits

2015-06-09 12:11:29 +01:00

spi-qup.c

Merge remote-tracking branches 'spi/topic/qup', 'spi/topic/rockchip', 'spi/topic/rspi', 'spi/topic/s3c64xx' and 'spi/topic/sc18is602' into spi-next

2015-04-11 23:09:25 +01:00

spi-rb4xx.c

spi: rb4xx: Fix checking return value of devm_ioremap_resource()

2015-05-01 17:35:54 +01:00

spi-rockchip.c

Merge remote-tracking branches 'spi/topic/qup', 'spi/topic/rockchip', 'spi/topic/rspi', 'spi/topic/s3c64xx' and 'spi/topic/sc18is602' into spi-next

2015-04-11 23:09:25 +01:00

spi-rspi.c

spi: rspi: Re-do the returning value of qspi_transfer_out_in

2015-06-02 14:58:58 +01:00

spi-s3c24xx-fiq.h

spi: reorganize drivers

2011-06-06 01:16:30 -06:00

spi-s3c24xx-fiq.S

spi: reorganize drivers

2011-06-06 01:16:30 -06:00

spi-s3c24xx.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-s3c64xx.c

spi: s3c64xx: Constify platform_device_id

2015-05-01 17:38:16 +01:00

spi-sc18is602.c

Merge remote-tracking branches 'spi/topic/qup', 'spi/topic/rockchip', 'spi/topic/rspi', 'spi/topic/s3c64xx' and 'spi/topic/sc18is602' into spi-next

2015-04-11 23:09:25 +01:00

spi-sh-hspi.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-sh-msiof.c

spi: sh-msiof: Constify platform_device_id

2015-05-01 17:38:58 +01:00

spi-sh-sci.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-sh.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-sirf.c

spi: sirf: add the reset for USP-based SPI

2015-05-26 11:39:16 +01:00

spi-st-ssc4.c

spi: constify of_device_id array

2015-03-17 12:15:22 +00:00

spi-sun4i.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-sun6i.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-tegra20-sflash.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-tegra20-slink.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-tegra114.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-ti-qspi.c

drivers: spi: ti-qspi: wait for busy bit clear before data write/read

2015-02-21 18:29:09 +09:00

spi-tle62x0.c

spi: tle62x0: remove unnecessary OOM messages

2014-04-29 12:01:42 -07:00

spi-topcliff-pch.c

spi: Remove FSF mailing addresses

2014-12-22 15:32:42 +00:00

spi-txx9.c

Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2014-12-14 16:10:09 -08:00

spi-xcomm.c

Merge remote-tracking branches 'spi/topic/sunxi', 'spi/topic/tegra114', 'spi/topic/ti-qspi', 'spi/topic/ti-ssp', 'spi/topic/topcliff-pch', 'spi/topic/txx9', 'spi/topic/xcomm' and 'spi/topic/xfer' into spi-next

2014-03-30 00:51:41 +00:00

spi-xilinx.c

spi/xilinx: Fix access invalid memory on xilinx_spi_tx

2015-02-02 12:17:19 +00:00

spi-xtensa-xtfpga.c

spi: drop owner assignment from platform_drivers

2014-10-20 16:21:36 +02:00

spi-zynqmp-gqspi.c

spi: zynq: Remove execute bit

2015-06-17 17:43:45 +01:00

spi.c

spi: restore rx/tx_buf in case of unset CONFIG_HAS_DMA

2015-06-02 21:54:56 +01:00

spidev.c

spi: spidev: fix possible NULL dereference

2015-09-11 13:26:38 +01:00