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authorCarolyn Wyborny <carolyn.wyborny@intel.com>2011-03-02 01:11:26 (GMT)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-03-03 10:48:32 (GMT)
commit3b668a77bad7f03c3df28971760a3883a395ce55 (patch)
tree2400e7e17486fcb2c3a200b63a393ca7183e4149 /drivers/net
parent93ed835928f3100c95e0408df0543f35d03f7c23 (diff)
downloadlinux-3b668a77bad7f03c3df28971760a3883a395ce55.tar.xz
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/igb/igb_ethtool.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 16bbd49..61f7849 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -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);