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Commit 2643c47f authored by Peter Huewe's avatar Peter Huewe Committed by Greg Kroah-Hartman
Browse files

staging/csr: Use kmemdup rather than duplicating its implementation 



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

Signed-off-by: default avatarPeter Huewe <peterhuewe@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d662b8eb

drivers/staging/csr/drv.c

+3 −3
Original line number Original line Diff line number Diff line
@@ -820,14 +820,14 @@ unifi_write(struct file *filp, const char *p, size_t len, loff_t *poff) 
                    sig_id, signal_size);

                    sig_id, signal_size);





	/* Allocate a buffer for the signal */

	/* Allocate a buffer for the signal */

        signal_buf = kmalloc(signal_size, GFP_KERNEL);

	signal_buf = kmemdup(bulkdata.d[0].os_data_ptr, signal_size,

				GFP_KERNEL);

        if (!signal_buf) {

        if (!signal_buf) {

            unifi_net_data_free(priv, &bulkdata.d[0]);

            unifi_net_data_free(priv, &bulkdata.d[0]);

            return -ENOMEM;

            return -ENOMEM;

        }

        }





        /* Get the signal from the os_data_ptr */

        /* Get the signal from the os_data_ptr */

        memcpy(signal_buf, bulkdata.d[0].os_data_ptr, signal_size);

        signal_buf[5] = (pcli->sender_id >> 8) & 0xff;

        signal_buf[5] = (pcli->sender_id >> 8) & 0xff;





        if (signal_size < len) {

        if (signal_size < len) {