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authorTian Tao <tiantao6@hisilicon.com>2020-12-23 04:26:33 +0300
committerMika Westerberg <mika.westerberg@linux.intel.com>2020-12-28 12:41:53 +0300
commit82096ecf589d8224447213c4592e54598fea0b9d (patch)
tree07df064cb39745eb318483175dc2d7cf0e39d5c0 /drivers/thunderbolt
parent5c8fe583cce542aa0b84adc939ce85293de36e5e (diff)
downloadlinux-82096ecf589d8224447213c4592e54598fea0b9d.tar.xz
thunderbolt: Use kmemdup instead of kzalloc and memcpy
Fixes coccicheck warning: drivers/thunderbolt/dma_test.c:302:13-20: WARNING opportunity for kmemdup. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt')
-rw-r--r--drivers/thunderbolt/dma_test.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/thunderbolt/dma_test.c b/drivers/thunderbolt/dma_test.c
index f924423fa180..955f980986ca 100644
--- a/drivers/thunderbolt/dma_test.c
+++ b/drivers/thunderbolt/dma_test.c
@@ -299,14 +299,12 @@ static int dma_test_submit_tx(struct dma_test *dt, size_t npackets)
tf->frame.size = 0; /* means 4096 */
tf->dma_test = dt;
- tf->data = kzalloc(DMA_TEST_FRAME_SIZE, GFP_KERNEL);
+ tf->data = kmemdup(dma_test_pattern, DMA_TEST_FRAME_SIZE, GFP_KERNEL);
if (!tf->data) {
kfree(tf);
return -ENOMEM;
}
- memcpy(tf->data, dma_test_pattern, DMA_TEST_FRAME_SIZE);
-
dma_addr = dma_map_single(dma_dev, tf->data, DMA_TEST_FRAME_SIZE,
DMA_TO_DEVICE);
if (dma_mapping_error(dma_dev, dma_addr)) {