summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/e1000e/80003es2lan.c
diff options
context:
space:
mode:
authorBruce Allan <bruce.w.allan@intel.com>2013-01-05 09:08:31 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-01-27 14:08:19 +0400
commit7dbbe5d5a5073d590790007d5b98d7fd51fd2ff5 (patch)
tree106a553cf5852a094a2fd73cb65e3153d9de334f /drivers/net/ethernet/intel/e1000e/80003es2lan.c
parent1f96012d34670202c135828482fffbf603b4dce0 (diff)
downloadlinux-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.c5
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,