caif: Remove OOM messages, use kzalloc

Remove per site OOM messages because they duplicate
the generic mm subsystem OOM message.

Use kzalloc instead of kmalloc/memset
when next to the OOM message removals.

Reduces object size (allyesconfig ~2%)

$ size -t drivers/net/caif/built-in.o.old net/caif/built-in.o.old
   text	   data	    bss	    dec	    hex	filename
  32297	    700	   8224	  41221	   a105	drivers/net/caif/built-in.o.old
  72159	   1317	  20552	  94028	  16f4c	net/caif/built-in.o.old
 104456	   2017	  28776	 135249	  21051	(TOTALS)
$ size -t drivers/net/caif/built-in.o.new net/caif/built-in.o.new
   text	   data	    bss	    dec	    hex	filename
  31975	    700	   8184	  40859	   9f9b	drivers/net/caif/built-in.o.new
  70748	   1317	  20152	  92217	  16839	net/caif/built-in.o.new
 102723	   2017	  28336	 133076	  207d4	(TOTALS)

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 1 insertions, 12 deletions

diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index b41c2fced0a7..2fcabba56087 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -937,11 +937,8 @@ int cfhsi_probe(struct platform_device *pdev)
         int res;
 
         ndev = alloc_netdev(sizeof(struct cfhsi), "cfhsi%d", cfhsi_setup);
-        if (!ndev) {
-                dev_err(&pdev->dev, "%s: alloc_netdev failed.\n",
-                        __func__);
+        if (!ndev)
                 return -ENODEV;
-        }
 
         cfhsi = netdev_priv(ndev);
         cfhsi->ndev = ndev;
@@ -969,8 +966,6 @@ int cfhsi_probe(struct platform_device *pdev)
          */
         cfhsi->tx_buf = kzalloc(CFHSI_BUF_SZ_TX, GFP_KERNEL);
         if (!cfhsi->tx_buf) {
-                dev_err(&ndev->dev, "%s: Failed to allocate TX buffer.\n",
-                        __func__);
                 res = -ENODEV;
                 goto err_alloc_tx;
         }
@@ -981,8 +976,6 @@ int cfhsi_probe(struct platform_device *pdev)
          */
         cfhsi->rx_buf = kzalloc(CFHSI_BUF_SZ_RX, GFP_KERNEL);
         if (!cfhsi->rx_buf) {
-                dev_err(&ndev->dev, "%s: Failed to allocate RX buffer.\n",
-                        __func__);
                 res = -ENODEV;
                 goto err_alloc_rx;
         }
diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c
index 0f8defc73307..05e791f46aef 100644
--- a/drivers/net/caif/caif_spi.c
+++ b/drivers/net/caif/caif_spi.c
@@ -664,8 +664,6 @@ int cfspi_spi_probe(struct platform_device *pdev)
         /* Allocate DMA buffers. */
         cfspi->xfer.va_tx = dma_alloc(&cfspi->xfer.pa_tx);
         if (!cfspi->xfer.va_tx) {
-                printk(KERN_WARNING
-                       "CFSPI: failed to allocate dma TX buffer.\n");
                 res = -ENODEV;
                 goto err_dma_alloc_tx;
         }
@@ -673,8 +671,6 @@ int cfspi_spi_probe(struct platform_device *pdev)
         cfspi->xfer.va_rx = dma_alloc(&cfspi->xfer.pa_rx);
 
         if (!cfspi->xfer.va_rx) {
-                printk(KERN_WARNING
-                       "CFSPI: failed to allocate dma TX buffer.\n");
                 res = -ENODEV;
                 goto err_dma_alloc_rx;
         }