diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2008-12-02 01:23:39 +0300 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-12-10 19:10:27 +0300 |
| commit | 176bf2e0f10ecf1d20a97db3bd5bb2e6ba0b5668 (patch) | |
| tree | b22f94dcce76c35f2c5ebe1bda5508e61e46da4f /drivers/mtd | |
| parent | 002f6aab43c0e556ee5f588d138587de6a3ed63d (diff) | |
| download | linux-176bf2e0f10ecf1d20a97db3bd5bb2e6ba0b5668.tar.xz | |
[MTD] physmap: fix leak of memory returned by parse_mtd_partitions
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@mba.ocn.ne.jp>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/maps/physmap.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index 876dfab92847..58207b3b9411 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -29,7 +29,6 @@ struct physmap_flash_info { struct map_info map[MAX_RESOURCES]; #ifdef CONFIG_MTD_PARTITIONS int nr_parts; - struct mtd_partition *parts; #endif }; @@ -56,14 +55,10 @@ static int physmap_flash_remove(struct platform_device *dev) for (i = 0; i < MAX_RESOURCES; i++) { if (info->mtd[i] != NULL) { #ifdef CONFIG_MTD_PARTITIONS - if (info->nr_parts) { + if (info->nr_parts || physmap_data->nr_parts) del_mtd_partitions(info->mtd[i]); - kfree(info->parts); - } else if (physmap_data->nr_parts) { - del_mtd_partitions(info->mtd[i]); - } else { + else del_mtd_device(info->mtd[i]); - } #else del_mtd_device(info->mtd[i]); #endif @@ -86,6 +81,9 @@ static int physmap_flash_probe(struct platform_device *dev) int err = 0; int i; int devices_found = 0; +#ifdef CONFIG_MTD_PARTITIONS + struct mtd_partition *parts; +#endif physmap_data = dev->dev.platform_data; if (physmap_data == NULL) @@ -163,9 +161,10 @@ static int physmap_flash_probe(struct platform_device *dev) goto err_out; #ifdef CONFIG_MTD_PARTITIONS - err = parse_mtd_partitions(info->cmtd, part_probe_types, &info->parts, 0); + err = parse_mtd_partitions(info->cmtd, part_probe_types, &parts, 0); if (err > 0) { - add_mtd_partitions(info->cmtd, info->parts, err); + add_mtd_partitions(info->cmtd, parts, err); + kfree(parts); return 0; } |