Re: [PATCH] physmap: Fix leak of memory returned byparse_mtd_partitions

From: Atsushi Nemoto
Date: Wed Nov 12 2008 - 10:55:43 EST


On Wed, 12 Nov 2008 23:57:33 +0900 (JST), Atsushi Nemoto <anemo@xxxxxxxxxxxxx> wrote:
> The mtd partition parser returns an allocated pointer array of
> mtd_partition. The caller must free it. The array is used only for
> add_mtd_partitions(), so free it just after the call.
>
> Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
> ---
> drivers/mtd/maps/physmap.c | 17 ++++++++---------
> 1 files changed, 8 insertions(+), 9 deletions(-)

And many other callers of parse_mtd_partitions() also do not free the
returned memory. With a quick look, 21 of 36 have same defect.

drivers/mtd/devices/m25p80.c
drivers/mtd/devices/mtd_dataflash.c
drivers/mtd/maps/bfin-async-flash.c
drivers/mtd/maps/edb7312.c
drivers/mtd/maps/impa7.c
drivers/mtd/maps/intel_vr_nor.c
drivers/mtd/maps/solutionengine.c
drivers/mtd/nand/atmel_nand.c
drivers/mtd/nand/cafe_nand.c
drivers/mtd/nand/cmx270_nand.c
drivers/mtd/nand/cs553x_nand.c
drivers/mtd/nand/edb7312.c
drivers/mtd/nand/fsl_elbc_nand.c
drivers/mtd/nand/fsl_upm.c
drivers/mtd/nand/mxc_nand.c
drivers/mtd/nand/orion_nand.c
drivers/mtd/nand/ppchameleonevb.c
drivers/mtd/nand/sharpsl.c
drivers/mtd/nand/tmio_nand.c
drivers/mtd/nand/ts7250.c
drivers/mtd/onenand/generic.c

Volunteers? ;)

---
Atsushi Nemoto
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