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e61e4c8b90
The following warning is now shown as a result of new checks added for
gcc 7:
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c: In function ‘ixgbe_open’:
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:3118:13: warning: ‘%d’ directive output may be truncated writing between 1 and 10 bytes into a region of size between 3 and 18 [-Wformat-truncation=]
"%s-%s-%d", netdev->name, "TxRx", ri++);
^~
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:3118:6: note: directive argument in the range [0, 2147483647]
"%s-%s-%d", netdev->name, "TxRx", ri++);
^~~~~~~~~~
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:3117:4: note: ‘snprintf’ output between 8 and 32 bytes into a destination of size 24
snprintf(q_vector->name, sizeof(q_vector->name) - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"%s-%s-%d", netdev->name, "TxRx", ri++);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Resolve this warning by making a couple of changes.
- Don't reserve space for the null terminator. Since snprintf adds the
null terminator automatically, there is no need for us to reserve a byte
for it.
- Change a couple variables that can never be negative from int to
unsigned int.
While we're making changes to the format string, move the constant strings
into the format string instead of providing them as specifiers.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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|---|---|---|
| .. | ||
| ixgbe_82598.c | ||
| ixgbe_82599.c | ||
| ixgbe_common.c | ||
| ixgbe_common.h | ||
| ixgbe_dcb_82598.c | ||
| ixgbe_dcb_82598.h | ||
| ixgbe_dcb_82599.c | ||
| ixgbe_dcb_82599.h | ||
| ixgbe_dcb_nl.c | ||
| ixgbe_dcb.c | ||
| ixgbe_dcb.h | ||
| ixgbe_debugfs.c | ||
| ixgbe_ethtool.c | ||
| ixgbe_fcoe.c | ||
| ixgbe_fcoe.h | ||
| ixgbe_lib.c | ||
| ixgbe_main.c | ||
| ixgbe_mbx.c | ||
| ixgbe_mbx.h | ||
| ixgbe_model.h | ||
| ixgbe_phy.c | ||
| ixgbe_phy.h | ||
| ixgbe_ptp.c | ||
| ixgbe_sriov.c | ||
| ixgbe_sriov.h | ||
| ixgbe_sysfs.c | ||
| ixgbe_type.h | ||
| ixgbe_x540.c | ||
| ixgbe_x540.h | ||
| ixgbe_x550.c | ||
| ixgbe.h | ||
| Makefile | ||