diff options
author | Bruce Allan <bruce.w.allan@intel.com> | 2013-01-05 09:08:31 +0400 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-01-27 14:08:19 +0400 |
commit | 7dbbe5d5a5073d590790007d5b98d7fd51fd2ff5 (patch) | |
tree | 106a553cf5852a094a2fd73cb65e3153d9de334f /drivers/net/ethernet/intel/e1000e/80003es2lan.c | |
parent | 1f96012d34670202c135828482fffbf603b4dce0 (diff) | |
download | linux-7dbbe5d5a5073d590790007d5b98d7fd51fd2ff5.tar.xz |
e1000e: do not ignore variables which get set a value
Static analysis with cppcheck has shown a few instances of a variable which
is assigned a value that is never used. A number of these are the return
status of various driver function calls which should be passed back to the
caller of the current function.
Signed-off-by: Bruce Allan <bruce.w.allan@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/ethernet/intel/e1000e/80003es2lan.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/80003es2lan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/80003es2lan.c b/drivers/net/ethernet/intel/e1000e/80003es2lan.c index a2b5b44cfe2b..aa5e4cf90a58 100644 --- a/drivers/net/ethernet/intel/e1000e/80003es2lan.c +++ b/drivers/net/ethernet/intel/e1000e/80003es2lan.c @@ -773,6 +773,9 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw) ctrl = er32(CTRL); ret_val = e1000_acquire_phy_80003es2lan(hw); + if (ret_val) + return ret_val; + e_dbg("Issuing a global reset to MAC\n"); ew32(CTRL, ctrl | E1000_CTRL_RST); e1000_release_phy_80003es2lan(hw); @@ -832,6 +835,8 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw) /* Setup link and flow control */ ret_val = mac->ops.setup_link(hw); + if (ret_val) + return ret_val; /* Disable IBIST slave mode (far-end loopback) */ e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM, |