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alistair23-linux/drivers/mtd
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Greg Kroah-Hartman 9a53e8bd59 mtd: properly check all write ioctls for permissions 
commit f7e6b19bc7 upstream.

When doing a "write" ioctl call, properly check that we have permissions
to do so before copying anything from userspace or anything else so we
can "fail fast".  This includes also covering the MEMWRITE ioctl which
previously missed checking for this.

Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[rw: Fixed locking issue]
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-08-11 15:33:35 +02:00
..
chips mtd: cfi_cmdset_0002: fix delayed error detection on HyperFlash 2020-01-23 08:22:57 +01:00
devices mtd: phram: fix a double free issue in error path 2020-04-23 10:36:45 +02:00
hyperbus mtd: hyperbus: fix dependency and build error 2019-08-29 14:31:23 +02:00
lpddr mtd: lpddr: Fix a double free in probe() 2020-04-23 10:36:45 +02:00
maps mtd: pismo: Simplify getting the adapter of a client 2019-09-15 23:50:39 +02:00
nand mtd: rawnand: oxnas: Release all devices in the _remove() path 2020-07-22 09:33:07 +02:00
parsers mtd: sharpslpart: Fix unsigned comparison to zero 2020-02-14 16:34:18 -05:00
spi-nor mtd: spi-nor: Split mt25qu512a (n25q512a) entry into two 2020-02-11 04:35:45 -08:00
tests treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 326 2019-06-05 17:37:06 +02:00
ubi ubi: Fix seq_file usage in detailed_erase_block_info debugfs file 2020-05-27 17:46:19 +02:00
Kconfig mtd: parsers: Move CMDLINE parser 2019-09-15 23:50:50 +02:00
Makefile mtd: parsers: Move CMDLINE parser 2019-09-15 23:50:50 +02:00
ftl.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
inftlcore.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
inftlmount.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mtd_blkdevs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mtdblock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mtdblock_ro.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mtdchar.c mtd: properly check all write ioctls for permissions 2020-08-11 15:33:35 +02:00
mtdconcat.c mtd: concat: implement _is_locked mtd operation 2019-07-07 20:39:16 +02:00
mtdcore.c mtd: Fix mtd not registered due to nvmem name collision 2020-05-27 17:46:22 +02:00
mtdcore.h mtd: Provide fs_context-aware mount_mtd() replacement 2019-09-05 14:34:23 -04:00
mtdoops.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
mtdpart.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mtdsuper.c mtd: Kill mount_mtd() 2019-09-05 14:34:26 -04:00
mtdswap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
nftlcore.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
nftlmount.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
rfd_ftl.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sm_ftl.c mtd: sm_ftl: Fix memory leak in sm_init_zone() error path 2019-09-15 23:50:50 +02:00
sm_ftl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ssfdc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00