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Message-Id: <1444269709-25270-5-git-send-email-kys@microsoft.com> Date: Wed, 7 Oct 2015 19:01:44 -0700 From: "K. Y. Srinivasan" <kys@...rosoft.com> To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com, jasowang@...hat.com Cc: "K. Y. Srinivasan" <kys@...rosoft.com> Subject: [PATCH 05/10] Drivers: hv: util: catch allocation errors From: Olaf Hering <olaf@...fle.de> Catch allocation errors in hvutil_transport_send. Fixes: 14b50f80c32d ('Drivers: hv: util: introduce hv_utils_transport abstraction') Signed-off-by: Olaf Hering <olaf@...fle.de> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com> --- drivers/hv/hv_utils_transport.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c index 6a9d80a..1505ee6 100644 --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -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); - memcpy(hvt->outmsg, msg, len); - hvt->outmsg_len = len; - wake_up_interruptible(&hvt->outmsg_q); + 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; -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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