From: Vasiliy Kulikov Date: Sun, 26 Sep 2010 08:59:37 +0000 (+0400) Subject: block: rbd: fixed may leaks X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=28f259b7cd78eb29d38b7ae6b475d656e08fd348;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git block: rbd: fixed may leaks rbd_client_create() doesn't free rbdc, this leads to many leaks. seg_len in rbd_do_op() is unsigned, so (seg_len < 0) makes no sense. Also if fixed check fails then seg_name is leaked. Signed-off-by: Vasiliy Kulikov Signed-off-by: Yehuda Sadeh --- diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index c42f3058abc..83b15dd2485 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -241,6 +241,7 @@ static struct rbd_client *rbd_client_create(struct ceph_options *opt) rbdc->client = ceph_create_client(opt, rbdc); if (IS_ERR(rbdc->client)) goto out_rbdc; + opt = NULL; /* Now rbdc->client is responsible for opt */ ret = ceph_open_session(rbdc->client); if (ret < 0) @@ -255,13 +256,12 @@ static struct rbd_client *rbd_client_create(struct ceph_options *opt) out_err: ceph_destroy_client(rbdc->client); - return ERR_PTR(ret); - out_rbdc: kfree(rbdc); out_opt: - ceph_destroy_options(opt); - return ERR_PTR(-ENOMEM); + if (opt) + ceph_destroy_options(opt); + return ERR_PTR(ret); } /* @@ -889,8 +889,10 @@ static int rbd_do_op(struct request *rq, rbd_dev->header.block_name, ofs, len, seg_name, &seg_ofs); - if (seg_len < 0) - return seg_len; + if ((s64)seg_len < 0) { + ret = seg_len; + goto done; + } payload_len = (flags & CEPH_OSD_FLAG_WRITE ? seg_len : 0);