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authorPaul Mundt <lethal@linux-sh.org>2010-12-21 00:40:51 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-12-21 00:40:51 +0900
commit8bcee1832d23869c2cdb6886ae5210b0143256f0 (patch)
tree9fac190248ed9ed10fe4e6f7b1b4cda8eaef7ddd /drivers/vhost
parent5ce2a2ddb5d75d5e2371e58011fc21351bf278cb (diff)
parent1cf215a5b43950d1a304373037828158057ff9fc (diff)
Merge branch 'rmobile/urgent' into rmobile-latest
Conflicts: arch/arm/mach-shmobile/include/mach/entry-macro.S Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/net.c5
-rw-r--r--drivers/vhost/vhost.c3
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 4b4da5b86ff9..f442668a1e52 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -129,8 +129,9 @@ static void handle_tx(struct vhost_net *net)
size_t hdr_size;
struct socket *sock;
- sock = rcu_dereference_check(vq->private_data,
- lockdep_is_held(&vq->mutex));
+ /* TODO: check that we are running from vhost_worker?
+ * Not sure it's worth it, it's straight-forward enough. */
+ sock = rcu_dereference_check(vq->private_data, 1);
if (!sock)
return;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 94701ff3a23a..159c77a5746f 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -884,6 +884,7 @@ static int log_write(void __user *log_base,
int r;
if (!write_length)
return 0;
+ write_length += write_address % VHOST_PAGE_SIZE;
write_address /= VHOST_PAGE_SIZE;
for (;;) {
u64 base = (u64)(unsigned long)log_base;
@@ -897,7 +898,7 @@ static int log_write(void __user *log_base,
if (write_length <= VHOST_PAGE_SIZE)
break;
write_length -= VHOST_PAGE_SIZE;
- write_address += VHOST_PAGE_SIZE;
+ write_address += 1;
}
return r;
}