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linux/drivers/mmc/core
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Alexander Kappner d0a0852b9f mmc: core: Prevent bus reference leak in mmc_blk_init() 
Upon module load, mmc_block allocates a bus with bus_registeri() in
mmc_blk_init(). This reference never gets freed during module unload, which
leads to subsequent re-insertions of the module fails and a WARN() splat is
triggered.

Fix the bug by dropping the reference for the bus in mmc_blk_exit().

Signed-off-by: Alexander Kappner <agk@godking.net>
Fixes: 97548575be ("mmc: block: Convert RPMB to a character device")
Cc: <stable@vger.kernel.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2018-04-04 09:56:23 +02:00
..
block.c mmc: core: Prevent bus reference leak in mmc_blk_init() 2018-04-04 09:56:23 +02:00
block.h mmc: block: Remove code no longer needed after the switch to blk-mq 2017-12-11 13:02:22 +01:00
bus.c mmc: core: Remove code no longer needed after the switch to blk-mq 2017-12-11 13:05:58 +01:00
bus.h mmc: core: Move public functions from card.h to private headers 2017-02-13 13:20:24 +01:00
card.h mmc: core: Disable HPI for certain Micron (Numonyx) eMMC cards 2018-03-15 14:43:25 +01:00
core.c mmc: slot-gpio: Add a function to enable/disable card detect IRQ wakeup 2018-03-05 13:04:32 +01:00
core.h mmc: core: Remove code no longer needed after the switch to blk-mq 2017-12-11 13:05:58 +01:00
debugfs.c mmc: Export host capabilities to debugfs. 2018-03-22 10:36:27 +01:00
host.c mmc: core: Remove option not to use blk-mq 2017-12-11 12:55:02 +01:00
host.h mmc: core: Don't try UHS-I mode if 4-bit mode isn't supported 2018-03-15 09:30:39 +01:00
Kconfig mmc: core: Delete bounce buffer Kconfig option 2017-06-20 10:30:17 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mmc_ops.c mmc: core: Avoid hanging to claim host for mmc via some nested calls 2018-02-27 15:12:37 +01:00
mmc_ops.h mmc: core: Re-factor code for sending CID 2017-06-20 10:30:45 +02:00
mmc_test.c mmc: mmc_test: Ensure command queue is disabled for testing 2017-12-11 12:51:29 +01:00
mmc.c mmc: core: Export card RCA register via sysfs 2018-03-15 14:43:05 +01:00
pwrseq_emmc.c mmc: core: Don't do eMMC HW reset when resuming the eMMC card 2017-06-20 10:30:10 +02:00
pwrseq_sd8787.c mmc: pwrseq: add support for Marvell SD8787 chip 2017-02-13 13:20:33 +01:00
pwrseq_simple.c mmc: pwrseq_simple: Parse DTS for the power-off-delay-us property 2017-05-23 14:17:36 +02:00
pwrseq.c mmc: pwrseq: Add reset callback to the struct mmc_pwrseq_ops 2017-06-20 10:30:09 +02:00
pwrseq.h mmc: pwrseq: Add reset callback to the struct mmc_pwrseq_ops 2017-06-20 10:30:09 +02:00
queue.c mmc: block: Remove code no longer needed after the switch to blk-mq 2017-12-11 13:02:22 +01:00
queue.h mmc: block: Remove code no longer needed after the switch to blk-mq 2017-12-11 13:02:22 +01:00
quirks.h mmc: core: Disable HPI for certain Micron (Numonyx) eMMC cards 2018-03-15 14:43:25 +01:00
sd_ops.c mmc: core: add proper be32 annotation 2017-04-24 21:42:19 +02:00
sd_ops.h mmc: core: add proper be32 annotation 2017-04-24 21:42:19 +02:00
sd.c mmc: core: Export card RCA register via sysfs 2018-03-15 14:43:05 +01:00
sd.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sdio_bus.c mmc: sdio: fix alignment issue in struct sdio_func 2017-04-18 19:18:07 +02:00
sdio_bus.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00
sdio_cis.c mmc: core: remove BUG_ONs from sdio 2016-12-05 10:31:08 +01:00
sdio_cis.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00
sdio_io.c mmc: core: simplify return code 2017-04-24 21:41:24 +02:00
sdio_irq.c mmc: update sdio_claim_irq documentation 2018-03-22 10:50:24 +01:00
sdio_ops.c mmc: sdio: improve mmc_io_rw_extended 2017-04-24 21:41:42 +02:00
sdio_ops.h mmc: sdio: Add API to manage SDIO IRQs from a workqueue 2017-06-20 10:30:11 +02:00
sdio_uart.c mmc: block: Move files to core 2016-12-12 16:30:05 +01:00
sdio.c mmc: sdio: Check the return value of sdio_enable_4bit_bus 2018-03-15 09:32:30 +01:00
slot-gpio.c mmc: sdhci-pci: Respect PM flags when enabling card detect GPIO IRQ wakeup 2018-03-05 13:04:33 +01:00
slot-gpio.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00