Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next

* 'intel/drm-intel-next' of ../drm-next: (755 commits)
  drm/i915: Only wait on a pending flip if we intend to write to the buffer
  drm/i915/dp: Sanity check eDP existence
  drm/i915: Rebind the buffer if its alignment constraints changes with tiling
  drm/i915: Disable GPU semaphores by default
  drm/i915: Do not overflow the MMADDR write FIFO
  Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing"
  drm/i915: Don't save/restore hardware status page address register
  drm/i915: don't store the reg value for HWS_PGA
  drm/i915: fix memory corruption with GM965 and >4GB RAM
  Linux 2.6.38-rc7
  Revert "TPM: Long default timeout fix"
  drm/i915: Re-enable GPU semaphores for SandyBridge mobile
  drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#"
  Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU"
  drm/i915: Allow relocation deltas outside of target bo
  drm/i915: Silence an innocuous compiler warning for an unused variable
  fs/block_dev.c: fix new kernel-doc warning
  ACPI: Fix build for CONFIG_NET unset
  mm: <asm-generic/pgtable.h> must include <linux/mm_types.h>
  x86: Use u32 instead of long to set reset vector back to 0
  ...

Conflicts:
	drivers/gpu/drm/i915/i915_gem.c

1 files changed, 31 insertions, 31 deletions

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index dff633d62e5b..35b36b86d762 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -252,8 +252,12 @@ static int ceph_tcp_recvmsg(struct socket *sock, void *buf, size_t len)
 {
         struct kvec iov = {buf, len};
         struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+        int r;
 
-        return kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+        r = kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+        if (r == -EAGAIN)
+                r = 0;
+        return r;
 }
 
 /*
@@ -264,13 +268,17 @@ static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov,
                      size_t kvlen, size_t len, int more)
 {
         struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+        int r;
 
         if (more)
                 msg.msg_flags |= MSG_MORE;
         else
                 msg.msg_flags |= MSG_EOR;  /* superfluous, but what the hell */
 
-        return kernel_sendmsg(sock, &msg, iov, kvlen, len);
+        r = kernel_sendmsg(sock, &msg, iov, kvlen, len);
+        if (r == -EAGAIN)
+                r = 0;
+        return r;
 }
 
 
@@ -847,6 +855,8 @@ static int write_partial_msg_pages(struct ceph_connection *con)
                     (msg->pages || msg->pagelist || msg->bio || in_trail))
                         kunmap(page);
 
+                if (ret == -EAGAIN)
+                        ret = 0;
                 if (ret <= 0)
                         goto out;
 
@@ -1737,16 +1747,12 @@ more_kvec:
         if (con->out_skip) {
                 ret = write_partial_skip(con);
                 if (ret <= 0)
-                        goto done;
-                if (ret < 0) {
-                        dout("try_write write_partial_skip err %d\n", ret);
-                        goto done;
-                }
+                        goto out;
         }
         if (con->out_kvec_left) {
                 ret = write_partial_kvec(con);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
         }
 
         /* msg pages? */
@@ -1761,11 +1767,11 @@ more_kvec:
                 if (ret == 1)
                         goto more_kvec;  /* we need to send the footer, too! */
                 if (ret == 0)
-                        goto done;
+                        goto out;
                 if (ret < 0) {
                         dout("try_write write_partial_msg_pages err %d\n",
                              ret);
-                        goto done;
+                        goto out;
                 }
         }
 
@@ -1789,10 +1795,9 @@ do_next:
         /* Nothing to do! */
         clear_bit(WRITE_PENDING, &con->state);
         dout("try_write nothing else to write.\n");
-done:
         ret = 0;
 out:
-        dout("try_write done on %p\n", con);
+        dout("try_write done on %p ret %d\n", con, ret);
         return ret;
 }
 
@@ -1821,19 +1826,17 @@ more:
                         dout("try_read connecting\n");
                         ret = read_partial_banner(con);
                         if (ret <= 0)
-                                goto done;
-                        if (process_banner(con) < 0) {
-                                ret = -1;
                                 goto out;
-                        }
+                        ret = process_banner(con);
+                        if (ret < 0)
+                                goto out;
                 }
                 ret = read_partial_connect(con);
                 if (ret <= 0)
-                        goto done;
-                if (process_connect(con) < 0) {
-                        ret = -1;
                         goto out;
-                }
+                ret = process_connect(con);
+                if (ret < 0)
+                        goto out;
                 goto more;
         }
 
@@ -1848,7 +1851,7 @@ more:
                 dout("skipping %d / %d bytes\n", skip, -con->in_base_pos);
                 ret = ceph_tcp_recvmsg(con->sock, buf, skip);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
                 con->in_base_pos += ret;
                 if (con->in_base_pos)
                         goto more;
@@ -1859,7 +1862,7 @@ more:
                  */
                 ret = ceph_tcp_recvmsg(con->sock, &con->in_tag, 1);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
                 dout("try_read got tag %d\n", (int)con->in_tag);
                 switch (con->in_tag) {
                 case CEPH_MSGR_TAG_MSG:
@@ -1870,7 +1873,7 @@ more:
                         break;
                 case CEPH_MSGR_TAG_CLOSE:
                         set_bit(CLOSED, &con->state);   /* fixme */
-                        goto done;
+                        goto out;
                 default:
                         goto bad_tag;
                 }
@@ -1882,13 +1885,12 @@ more:
                         case -EBADMSG:
                                 con->error_msg = "bad crc";
                                 ret = -EIO;
-                                goto out;
+                                break;
                         case -EIO:
                                 con->error_msg = "io error";
-                                goto out;
-                        default:
-                                goto done;
+                                break;
                         }
+                        goto out;
                 }
                 if (con->in_tag == CEPH_MSGR_TAG_READY)
                         goto more;
@@ -1898,15 +1900,13 @@ more:
         if (con->in_tag == CEPH_MSGR_TAG_ACK) {
                 ret = read_partial_ack(con);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
                 process_ack(con);
                 goto more;
         }
 
-done:
-        ret = 0;
 out:
-        dout("try_read done on %p\n", con);
+        dout("try_read done on %p ret %d\n", con, ret);
         return ret;
 
 bad_tag: