Commit cdc0c0c9 authored Dec 14, 2015 by Olaf Hering Committed by Greg Kroah-Hartman Dec 14, 2015

Drivers: hv: util: catch allocation errors



Catch allocation errors in hvutil_transport_send.

Fixes: 14b50f80 ('Drivers: hv: util: introduce hv_utils_transport abstraction')

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

parent 6dfb867c

drivers/hv/hv_utils_transport.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -204,9 +204,12 @@ int hvutil_transport_send(struct hvutil_transport hvt, void msg, int len)
		goto out_unlock;
		}
		hvt->outmsg = kzalloc(len, GFP_KERNEL);
		if (hvt->outmsg) {
		memcpy(hvt->outmsg, msg, len);
		hvt->outmsg_len = len;
		wake_up_interruptible(&hvt->outmsg_q);
		} else
		ret = -ENOMEM;
		out_unlock:
		mutex_unlock(&hvt->outmsg_lock);
		return ret;