Commit 1cf257f5 authored by Jiri Slaby's avatar Jiri Slaby Committed by Joel Becker
Browse files

ocfs2: fix memory leak



Stanse found that o2hb_heartbeat_group_make_item leaks some memory on
fail paths. Fix the paths by adding a new label and jump there.
Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <joel.becker@oracle.com>
Cc: ocfs2-devel@oss.oracle.com
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
parent a48a982a
......@@ -1964,8 +1964,10 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
if (reg == NULL)
return ERR_PTR(-ENOMEM);
if (strlen(name) > O2HB_MAX_REGION_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
if (strlen(name) > O2HB_MAX_REGION_NAME_LEN) {
ret = -ENAMETOOLONG;
goto free;
}
spin_lock(&o2hb_live_lock);
reg->hr_region_num = 0;
......@@ -1974,7 +1976,8 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
O2NM_MAX_REGIONS);
if (reg->hr_region_num >= O2NM_MAX_REGIONS) {
spin_unlock(&o2hb_live_lock);
return ERR_PTR(-EFBIG);
ret = -EFBIG;
goto free;
}
set_bit(reg->hr_region_num, o2hb_region_bitmap);
}
......@@ -1986,10 +1989,13 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
ret = o2hb_debug_region_init(reg, o2hb_debug_dir);
if (ret) {
config_item_put(&reg->hr_item);
return ERR_PTR(ret);
goto free;
}
return &reg->hr_item;
free:
kfree(reg);
return ERR_PTR(ret);
}
static void o2hb_heartbeat_group_drop_item(struct config_group *group,
......
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