summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorLars-Peter Clausen <lars@metafoo.de>2013-03-25 17:24:22 +0400
committerVinod Koul <vinod.koul@intel.com>2013-04-15 08:22:04 +0400
commitaf31826d9b1ce432e033f0e91529aa1013076482 (patch)
treea9f80e9c668e64e9a3b8bf0154656de2e880e143 /drivers/dma
parent9a188eb126aa7bf27077ee46fcb914898d6fc281 (diff)
downloadlinux-af31826d9b1ce432e033f0e91529aa1013076482.tar.xz
dma: of: Remove unnecessary list_empty check
list_for_each_entry is able to handle empty lists just fine, there is no need to make sure that the list is non empty. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/of-dma.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index 00db454f70d3..8266893fef45 100644
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -36,11 +36,6 @@ static struct of_dma *of_dma_get_controller(struct of_phandle_args *dma_spec)
spin_lock(&of_dma_lock);
- if (list_empty(&of_dma_list)) {
- spin_unlock(&of_dma_lock);
- return NULL;
- }
-
list_for_each_entry(ofdma, &of_dma_list, of_dma_controllers)
if ((ofdma->of_node == dma_spec->np) &&
(ofdma->of_dma_nbcells == dma_spec->args_count)) {