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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-01-05 14:47:17 +0100 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-01-07 13:57:55 -0800 |
| commit | f0a8afecb29ad0005e7e946228a0ef5422058b85 (patch) | |
| tree | eaf1eb68b8c884bd70ac40e648488b48e366ba50 /drivers/target | |
| parent | 5261d86c5ce5726f097ed5e4ea28c40684ebf8e4 (diff) | |
| download | op-kernel-dev-f0a8afecb29ad0005e7e946228a0ef5422058b85.zip op-kernel-dev-f0a8afecb29ad0005e7e946228a0ef5422058b85.tar.gz | |
target: Fix a memory leak in target_dev_lba_map_store()
strsep() modifies its first argument. Make the pointer passed to kfree()
match the return value of kmalloc().
Fixes: 229d4f112fd6 (commit "target_core_alua: Referrals configfs integration")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_configfs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 9ef0893..3327c49 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -2017,14 +2017,14 @@ static ssize_t target_dev_lba_map_store(struct config_item *item, struct se_device *dev = to_device(item); struct t10_alua_lba_map *lba_map = NULL; struct list_head lba_list; - char *map_entries, *ptr; + char *map_entries, *orig, *ptr; char state; int pg_num = -1, pg; int ret = 0, num = 0, pg_id, alua_state; unsigned long start_lba = -1, end_lba = -1; unsigned long segment_size = -1, segment_mult = -1; - map_entries = kstrdup(page, GFP_KERNEL); + orig = map_entries = kstrdup(page, GFP_KERNEL); if (!map_entries) return -ENOMEM; @@ -2122,7 +2122,7 @@ out: } else core_alua_set_lba_map(dev, &lba_list, segment_size, segment_mult); - kfree(map_entries); + kfree(orig); return count; } |
