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(parent: 3e9e38d) | patch
mtd: spi-nor: fix a memory leak bug
authorWenwen Wang <wenwen@cs.uga.edu>
Mon, 19 Aug 2019 17:16:00 +0000 (12:16 -0500)
committerTudor Ambarus <tudor.ambarus@microchip.com>
Wed, 21 Aug 2019 08:08:01 +0000 (11:08 +0300)
commit313aca5a9c781a19537e6cc882511c13eff3bdba
tree57ed72338e325246107d198b55760da063509465tree | snapshot
parent3e9e38d918bd01068b5ccba17d69a8ae9bf56142commit | diff
mtd: spi-nor: fix a memory leak bug

In spi_nor_parse_4bait(), 'dwords' is allocated through kmalloc(). However,
it is not deallocated in the following execution if spi_nor_read_sfdp()
fails, leading to a memory leak. To fix this issue, free 'dwords' before
returning the error.

Fixes: 816873eaeec6 ("mtd: spi-nor: parse SFDP 4-byte Address Instruction Table")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
drivers/mtd/spi-nor/spi-nor.c diff | blob | history