github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-08 14:42:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

Drivers: hv: util: catch allocation errors

Browse Source 
[ Upstream commit cdc0c0c94e ]

Catch allocation errors in hvutil_transport_send.

Fixes: 14b50f80c3 ('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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Olaf Hering 2015-12-14 16:01:36 -08:00 committed by Greg Kroah-Hartman
parent 10b8e4ebc4
commit e35b50490e
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/hv/hv_utils_transport.c
View File

@ -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;