Drivers: hv: vmbus: Don't leak channel ids

commit 9a5476020a5f06a0fc6f17097efc80275d2f03cd upstream.

If we cannot allocate memory for the channel, free the relid
associated with the channel.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 0af7e39006c8e96e942243de974cdf3308a64fbe..a58cd102af1bc51eaa1dacc8dea4820e159386bc 100644 (file)
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -779,6 +779,7 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr)
        /* Allocate the channel object and save this offer. */
        newchannel = alloc_channel();
        if (!newchannel) {
+               vmbus_release_relid(offer->child_relid);
                pr_err("Unable to allocate channel object\n");
                return;
        }