aboutsummaryrefslogtreecommitdiff
path: root/drivers/mtd/maps/physmap.c
diff options
context:
space:
mode:
authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2008-12-01 14:23:39 -0800
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-12-10 16:10:27 +0000
commit176bf2e0f10ecf1d20a97db3bd5bb2e6ba0b5668 (patch)
treeb22f94dcce76c35f2c5ebe1bda5508e61e46da4f /drivers/mtd/maps/physmap.c
parent002f6aab43c0e556ee5f588d138587de6a3ed63d (diff)
downloadlinaro-lsk-176bf2e0f10ecf1d20a97db3bd5bb2e6ba0b5668.tar.gz
[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/maps/physmap.c')
-rw-r--r--drivers/mtd/maps/physmap.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 876dfab9284..58207b3b941 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;
}