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Subject[PATCH] Staging: line6: Use kmemdup rather than duplicating its implementation
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Date
From: Thomas Meyer <thomas@m3y3r.de>

Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

More information about semantic patching is available at
http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
---

diff -u -p a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
--- a/drivers/staging/line6/midi.c 2011-11-07 19:38:11.240305613 +0100
+++ b/drivers/staging/line6/midi.c 2011-11-08 10:52:27.890730177 +0100
@@ -135,7 +135,7 @@ static int send_midi_async(struct usb_li
line6_write_hexdump(line6, 'S', data, length);
#endif

- transfer_buffer = kmalloc(length, GFP_ATOMIC);
+ transfer_buffer = kmemdup(data, length, GFP_ATOMIC);

if (transfer_buffer == NULL) {
usb_free_urb(urb);
@@ -143,7 +143,6 @@ static int send_midi_async(struct usb_li
return -ENOMEM;
}

- memcpy(transfer_buffer, data, length);
usb_fill_int_urb(urb, line6->usbdev,
usb_sndbulkpipe(line6->usbdev,
line6->ep_control_write),



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