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kernel_a52xq/drivers/mtd
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Filename Latest commit message Latest commit date
Gustavo A. R. Silva dbf134f69d mtd: rawnand: atmel: Fix potential NULL pointer dereference 
[ Upstream commit fbed20280d912449cfb40c382cb55e3d11502587 ]

There is a potential execution path in which function
of_find_compatible_node() returns NULL. In such a case,
we end up having a NULL pointer dereference when accessing
pointer *nfc_np* in function of_clk_get().

So, we better don't take any chances and fix this by null
checking pointer *nfc_np* before calling of_clk_get().

Addresses-Coverity-ID: 1473052 ("Dereference null return value")
Fixes: f88fc122cc ("mtd: nand: Cleanup/rework the atmel_nand driver")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Acked-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-13 11:08:24 -08:00
..
chips NAND core changes: 2018-08-11 12:15:19 +02:00
devices mtd: devices: m25p80: Make sure the buffer passed in op is DMA-able 2018-09-18 10:17:48 +02:00
lpddr mtd: lpddr: use mtd_device_register() 2018-07-24 07:50:22 +02:00
maps mtd: maps: gpio-addr-flash: Fix ioremapped size 2018-11-13 11:08:14 -08:00
nand mtd: rawnand: atmel: Fix potential NULL pointer dereference 2018-11-13 11:08:24 -08:00
parsers mtd: parsers: trx: add of_match_table with the new DT binding 2018-07-07 10:51:00 +02:00
spi-nor mtd: spi-nor: fsl-quadspi: Don't let -EINVAL on the bus 2018-11-13 11:08:15 -08:00
tests treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
ubi ubi: expose the volume CRC check skip flag 2018-08-15 00:25:21 +02:00
afs.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
ar7part.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
bcm47xxpart.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
bcm63xxpart.c mtd: bcm63xxpart: give width specifier an 'int', not 'size_t' 2016-03-07 13:13:58 -08:00
cmdlinepart.c mtd: cmdlinepart: Update comment for introduction of OFFSET_CONTINUOUS 2018-05-23 10:08:48 +02:00
ftl.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
inftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
inftlmount.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
Kconfig mtd: Make Kconfig formatting consistent 2018-07-19 23:12:06 +02:00
Makefile mtd: Move onenand code base to drivers/mtd/nand/onenand 2018-03-15 15:40:37 +01:00
mtd_blkdevs.c mtd_blkdevs: handle highmem pages 2018-05-11 15:07:58 -06:00
mtdblock.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
mtdblock_ro.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdchar.c mtdchar: fix overflows in adjustment of count 2018-07-18 16:46:38 +02:00
mtdconcat.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mtdcore.c mtd: Fallback to ->_read/write() when ->_read/write_oob() is missing 2018-07-18 16:44:03 +02:00
mtdcore.h mtd: move code adding (registering) partitions to the parse_mtd_partitions() 2018-05-07 10:10:47 +02:00
mtdoops.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
mtdpart.c mtd: partitions: fix unbalanced of_node_get/put() 2018-09-17 16:23:12 +02:00
mtdsuper.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
mtdswap.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
nftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
nftlmount.c mtd: nftl: remove redundant variable nb_erases 2018-07-07 10:55:05 +02:00
ofpart.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
redboot.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
rfd_ftl.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
sm_ftl.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sm_ftl.h mtd: Stop assuming mtd_erase() is asynchronous 2018-03-15 18:21:07 +01:00
ssfdc.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00