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[media] ttpci: Replace memset with eth_zero_addr

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Use eth_zero_addr to assign the zero address to the given address
array instead of memset when second argument is address of zero.
Note that the 6 in the third argument of memset appears to represent
an ethernet address size (ETH_ALEN).

The Coccinelle semantic patch that makes this change is as follows:

// <smpl>
@eth_zero_addr@
expression e;
@@

-memset(e,0x00,6);
+eth_zero_addr(e);
// </smpl>

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Vaishali Thakkar 2015-06-26 01:47:49 -03:00 committed by Mauro Carvalho Chehab
parent a73df85892
commit fa9163b570
2 changed files with 4 additions and 3 deletions
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2
drivers/media/pci/ttpci/budget-av.c
View File

@ -1508,7 +1508,7 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
if (i2c_readregs(&budget_av->budget.i2c_adap, 0xa0, 0x30, mac, 6)) {
pr_err("KNC1-%d: Could not read MAC from KNC1 card\n",
budget_av->budget.dvb_adapter.num);
memset(mac, 0, 6);
eth_zero_addr(mac);
} else {
pr_info("KNC1-%d: MAC addr = %pM\n",
budget_av->budget.dvb_adapter.num, mac);

5
drivers/media/pci/ttpci/ttpci-eeprom.c
View File

@ -36,6 +36,7 @@
#include <linux/module.h>
#include <linux/string.h>
#include <linux/i2c.h>
#include <linux/etherdevice.h>
#include "ttpci-eeprom.h"
@ -145,7 +146,7 @@ int ttpci_eeprom_parse_mac(struct i2c_adapter *adapter, u8 *proposed_mac)
if (ret != 0) { /* Will only be -ENODEV */
dprintk("Couldn't read from EEPROM: not there?\n");
memset(proposed_mac, 0, 6);
eth_zero_addr(proposed_mac);
return ret;
}
@ -157,7 +158,7 @@ int ttpci_eeprom_parse_mac(struct i2c_adapter *adapter, u8 *proposed_mac)
dprintk( "%.2x:", encodedMAC[i]);
}
dprintk("%.2x\n", encodedMAC[19]);
memset(proposed_mac, 0, 6);
eth_zero_addr(proposed_mac);
return ret;
}