[PATCH 1/18] USB: storage: ene_ub6250: Use kmemdup instead of kmalloc + memcpy

From: Benoit Taine
Date: Mon May 26 2014 - 11:25:59 EST


This issue was reported by coccicheck using the semantic patch
at scripts/coccinelle/api/memdup.cocci

Signed-off-by: Benoit Taine <benoit.taine@xxxxxxx>
---
Tested by compilation without errors.

drivers/usb/storage/ene_ub6250.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c
index 1bfc9a6..ef6efb5 100644
--- a/drivers/usb/storage/ene_ub6250.c
+++ b/drivers/usb/storage/ene_ub6250.c
@@ -1928,11 +1928,10 @@ static int ene_load_bincode(struct us_data *us, unsigned char flag)
usb_stor_dbg(us, "load firmware %s failed\n", fw_name);
goto nofw;
}
- buf = kmalloc(sd_fw->size, GFP_KERNEL);
+ buf = kmemdup(sd_fw->data, sd_fw->size, GFP_KERNEL);
if (buf == NULL)
goto nofw;

- memcpy(buf, sd_fw->data, sd_fw->size);
memset(bcb, 0, sizeof(struct bulk_cb_wrap));
bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
bcb->DataTransferLength = sd_fw->size;

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