Merge tag 'driver-core-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core and printk fixes from Greg Kroah-Hartman:
 "Here are some fixes for 3.5-rc4 that resolve the kmsg problems that
  people have reported showing up after the printk and kmsg changes went
  into 3.5-rc1.  There are also a smattering of other tiny fixes for the
  extcon and hyper-v drivers that people have reported.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'driver-core-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  extcon: max8997: Add missing kfree for info->edev in max8997_muic_remove()
  extcon: Set platform drvdata in gpio_extcon_probe() and fix irq leak
  extcon: Fix wrong index in max8997_extcon_cable[]
  kmsg - kmsg_dump() fix CONFIG_PRINTK=n compilation
  printk: return -EINVAL if the message len is bigger than the buf size
  printk: use mutex lock to stop syslog_seq from going wild
  kmsg - kmsg_dump() use iterator to receive log buffer content
  vme: change maintainer e-mail address
  Extcon: Don't try to create duplicate link names
  driver core: fixup reversed deferred probe order
  printk: Fix alignment of buf causing crash on ARM EABI
  Tools: hv: verify origin of netlink connector message

1 files changed, 7 insertions, 3 deletions

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 146fd6147e84..d9834b362943 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -701,14 +701,18 @@ int main(void)
         pfd.fd = fd;
 
         while (1) {
+                struct sockaddr *addr_p = (struct sockaddr *) &addr;
+                socklen_t addr_l = sizeof(addr);
                 pfd.events = POLLIN;
                 pfd.revents = 0;
                 poll(&pfd, 1, -1);
 
-                len = recv(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0);
+                len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0,
+                                addr_p, &addr_l);
 
-                if (len < 0) {
-                        syslog(LOG_ERR, "recv failed; error:%d", len);
+                if (len < 0 || addr.nl_pid) {
+                        syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s",
+                                        addr.nl_pid, errno, strerror(errno));
                         close(fd);
                         return -1;
                 }