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igb: Fix strncpy calls to be safe per source code review tools 

This fix changes the remaining calls to strncpy that have not yet
been changed to use the "sizeof(buf) - 1" syntax rather than just
a number for buffer size.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Carolyn Wyborny 2011-03-02 01:11:26 +00:00 committed by Jeff Kirsher
parent 93ed835928
commit 3b668a77ba
1 changed files with 7 additions and 4 deletions
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11
drivers/net/igb/igb_ethtool.c
View File

@ -727,8 +727,9 @@ static void igb_get_drvinfo(struct net_device *netdev,
char firmware_version[32];
u16 eeprom_data;
strncpy(drvinfo->driver, igb_driver_name, 32);
strncpy(drvinfo->version, igb_driver_version, 32);
strncpy(drvinfo->driver, igb_driver_name, sizeof(drvinfo->driver) - 1);
strncpy(drvinfo->version, igb_driver_version,
sizeof(drvinfo->version) - 1);
/* EEPROM image version # is reported as firmware version # for
* 82575 controllers */
@ -738,8 +739,10 @@ static void igb_get_drvinfo(struct net_device *netdev,
(eeprom_data & 0x0FF0) >> 4,
eeprom_data & 0x000F);
strncpy(drvinfo->fw_version, firmware_version, 32);
strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
strncpy(drvinfo->fw_version, firmware_version,
sizeof(drvinfo->fw_version) - 1);
strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
sizeof(drvinfo->bus_info) - 1);
drvinfo->n_stats = IGB_STATS_LEN;
drvinfo->testinfo_len = IGB_TEST_LEN;
drvinfo->regdump_len = igb_get_regs_len(netdev);