Merge branch 'poll' into staging/for_v3.4

* poll: (5970 commits)
  poll: add poll_requested_events() and poll_does_not_wait() functions
  crc32: select an algorithm via Kconfig
  crc32: add self-test code for crc32c
  crypto: crc32c should use library implementation
  crc32: bolt on crc32c
  crc32: add note about this patchset to crc32.c
  crc32: optimize loop counter for x86
  crc32: add slice-by-8 algorithm to existing code
  crc32: make CRC_*_BITS definition correspond to actual bit counts
  crc32: fix mixing of endian-specific types
  crc32: miscellaneous cleanups
  crc32: simplify unit test code
  crc32: move long comment about crc32 fundamentals to Documentation/
  crc32: remove two instances of trailing whitespaces
  checkpatch: check for quoted strings broken across lines
  checkpatch: whitespace - add/remove blank lines
  checkpatch: warn on use of yield()
  checkpatch: add --strict tests for braces, comments and casts
  checkpatch: add [] to type extensions
  checkpatch: high precedence operators do not require additional parentheses in #defines
  ...

1 files changed, 4 insertions, 9 deletions

diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 8c6c059f3489..92a037a8228a 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -949,10 +949,9 @@ static int __devinit vnet_port_alloc_tx_bufs(struct vnet_port *port)
 		int map_len = (ETH_FRAME_LEN + 7) & ~7;
 
 		err = -ENOMEM;
-		if (!buf) {
-			pr_err("TX buffer allocation failure\n");
+		if (!buf)
 			goto err_out;
-		}
+
 		err = -EFAULT;
 		if ((unsigned long)buf & (8UL - 1)) {
 			pr_err("TX buffer misaligned\n");
@@ -1027,10 +1026,8 @@ static struct vnet * __devinit vnet_new(const u64 *local_mac)
 	int err, i;
 
 	dev = alloc_etherdev(sizeof(*vp));
-	if (!dev) {
-		pr_err("Etherdev alloc failed, aborting\n");
+	if (!dev)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	for (i = 0; i < ETH_ALEN; i++)
 		dev->dev_addr[i] = (*local_mac >> (5 - i) * 8) & 0xff;
@@ -1165,10 +1162,8 @@ static int __devinit vnet_port_probe(struct vio_dev *vdev,
 
 	port = kzalloc(sizeof(*port), GFP_KERNEL);
 	err = -ENOMEM;
-	if (!port) {
-		pr_err("Cannot allocate vnet_port\n");
+	if (!port)
 		goto err_out_put_mdesc;
-	}
 
 	for (i = 0; i < ETH_ALEN; i++)
 		port->raddr[i] = (*rmac >> (5 - i) * 8) & 0xff;