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-rw-r--r--drivers/w1/masters/ds2490.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c
index 59d74d1b47a8..be77b7914fad 100644
--- a/drivers/w1/masters/ds2490.c
+++ b/drivers/w1/masters/ds2490.c
@@ -909,11 +909,10 @@ static void ds9490r_write_block(void *data, const u8 *buf, int len)
if (len <= 0)
return;
- tbuf = kmalloc(len, GFP_KERNEL);
+ tbuf = kmemdup(buf, len, GFP_KERNEL);
if (!tbuf)
return;
- memcpy(tbuf, buf, len);
ds_write_block(dev, tbuf, len);
kfree(tbuf);