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authorVitaly Kuznetsov <vkuznets@redhat.com>2016-06-04 03:09:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-31 14:05:41 +0300
commit7cc80c98070ccc7940fc28811c92cca0a681015d (patch)
tree1e94c74793a76e6ef001dc87bd87d46ffa6cdf83 /drivers/hv
parent4d63763296ab7865a98bc29cc7d77145815ef89f (diff)
downloadlinux-7cc80c98070ccc7940fc28811c92cca0a681015d.tar.xz
Drivers: hv: don't leak memory in vmbus_establish_gpadl()
In some cases create_gpadl_header() allocates submessages but we never free them. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/channel.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 2b109e8a8c97..a68830c848e4 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -388,7 +388,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
struct vmbus_channel_gpadl_header *gpadlmsg;
struct vmbus_channel_gpadl_body *gpadl_body;
struct vmbus_channel_msginfo *msginfo = NULL;
- struct vmbus_channel_msginfo *submsginfo;
+ struct vmbus_channel_msginfo *submsginfo, *tmp;
struct list_head *curr;
u32 next_gpadl_handle;
unsigned long flags;
@@ -445,6 +445,10 @@ cleanup:
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
list_del(&msginfo->msglistentry);
spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+ list_for_each_entry_safe(submsginfo, tmp, &msginfo->submsglist,
+ msglistentry) {
+ kfree(submsginfo);
+ }
kfree(msginfo);
return ret;