target/linux/s3c24xx/patches-2.6.26/1252-The-driver-should-be-checking-for-a-negative-error-c.patch

   1 From 31ab776ee952e5ef6e0a21be276686b84187fcaa Mon Sep 17 00:00:00 2001
   2 From: Ben Dooks <ben-linux@fluff.org>
   3 Date: Sun, 10 Aug 2008 09:29:14 +0100
   4 Subject: [PATCH] The driver should be checking for a negative error code from
   5  s3c2410_dma_request(), not non-zero. Newer kernels now return
   6  the DMA channel number that was allocated by the request.
   7
   8 Signed-off-by: Ben Dooks <ben-linux@fluff.org>
   9 Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
  10 (cherry picked from commit 3886ff5f63f33c801ed3af265ac0df20d3a8dcf5)
  11 ---
  12  drivers/mmc/host/s3cmci.c |    2 +-
  13  1 files changed, 1 insertions(+), 1 deletions(-)
  14
  15 diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
  16 index 107847a..ffba0f9 100644
  17 --- a/drivers/mmc/host/s3cmci.c
  18 +++ b/drivers/mmc/host/s3cmci.c
  19 @@ -1230,7 +1230,7 @@ static int s3cmci_probe(struct platform_device *pdev, int is2440)
  20                 s3c2410_gpio_cfgpin(host->pdata->gpio_wprotect,
  21                                     S3C2410_GPIO_INPUT);
  22
  23 -       if (s3c2410_dma_request(host->dma, &s3cmci_dma_client, NULL)) {
  24 +       if (s3c2410_dma_request(host->dma, &s3cmci_dma_client, NULL) < 0) {
  25                 dev_err(&pdev->dev, "unable to get DMA channel.\n");
  26                 ret = -EBUSY;
  27                 goto probe_free_irq;
  28 --
  29 1.5.6.3
  30