e1000e: fix sparse warnings

Fix sparse warnings from e1000e driver in net-2.6.24.

Added a sparse fix for module param arrays which can have int values
but only the array index needs to be unsigned. --Auke

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

2 files changed, 20 insertions, 19 deletions

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 0666e62e9ad2..6a39784e7ee2 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1680,8 +1680,8 @@ static int e1000_phys_id(struct net_device *netdev, u32 data)
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
 
-        if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
-                data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
+        if (!data)
+                data = INT_MAX;
 
         if (adapter->hw.phy.type == e1000_phy_ife) {
                 if (!adapter->blink_timer.function) {
diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c
index e4e655efb23c..332789238b9c 100644
--- a/drivers/net/e1000e/param.c
+++ b/drivers/net/e1000e/param.c
@@ -52,10 +52,11 @@ MODULE_PARM_DESC(copybreak,
  */
 
 #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
-#define E1000_PARAM(X, desc) \
-        static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
-        static int num_##X; \
-        module_param_array_named(X, X, int, &num_##X, 0); \
+#define E1000_PARAM(X, desc)                                    \
+        static int __devinitdata X[E1000_MAX_NIC+1]             \
+                = E1000_PARAM_INIT;                             \
+        static unsigned int num_##X;                            \
+        module_param_array_named(X, X, int, &num_##X, 0);       \
         MODULE_PARM_DESC(X, desc);
 
 
@@ -124,9 +125,9 @@ E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
 
 struct e1000_option {
         enum { enable_option, range_option, list_option } type;
-        char *name;
-        char *err;
-        int  def;
+        const char *name;
+        const char *err;
+        int def;
         union {
                 struct { /* range_option info */
                         int min;
@@ -139,8 +140,8 @@ struct e1000_option {
         } arg;
 };
 
-static int __devinit e1000_validate_option(int *value,
-                                           struct e1000_option *opt,
+static int __devinit e1000_validate_option(unsigned int *value,
+                                           const struct e1000_option *opt,
                                            struct e1000_adapter *adapter)
 {
         if (*value == OPTION_UNSET) {
@@ -213,7 +214,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
         }
 
         { /* Transmit Interrupt Delay */
-                struct e1000_option opt = {
+                const struct e1000_option opt = {
                         .type = range_option,
                         .name = "Transmit Interrupt Delay",
                         .err  = "using default of "
@@ -232,7 +233,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Transmit Absolute Interrupt Delay */
-                struct e1000_option opt = {
+                const struct e1000_option opt = {
                         .type = range_option,
                         .name = "Transmit Absolute Interrupt Delay",
                         .err  = "using default of "
@@ -277,7 +278,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Receive Absolute Interrupt Delay */
-                struct e1000_option opt = {
+                const struct e1000_option opt = {
                         .type = range_option,
                         .name = "Receive Absolute Interrupt Delay",
                         .err  = "using default of "
@@ -296,7 +297,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Interrupt Throttling Rate */
-                struct e1000_option opt = {
+                const struct e1000_option opt = {
                         .type = range_option,
                         .name = "Interrupt Throttling Rate (ints/sec)",
                         .err  = "using default of "
@@ -344,7 +345,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Smart Power Down */
-                struct e1000_option opt = {
+                const struct e1000_option opt = {
                         .type = enable_option,
                         .name = "PHY Smart Power Down",
                         .err  = "defaulting to Disabled",
@@ -352,7 +353,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 };
 
                 if (num_SmartPowerDownEnable > bd) {
-                        int spd = SmartPowerDownEnable[bd];
+                        unsigned int spd = SmartPowerDownEnable[bd];
                         e1000_validate_option(&spd, &opt, adapter);
                         if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN)
                             && spd)
@@ -360,7 +361,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Kumeran Lock Loss Workaround */
-                struct e1000_option opt = {
+                const struct e1000_option opt = {
                         .type = enable_option,
                         .name = "Kumeran Lock Loss Workaround",
                         .err  = "defaulting to Enabled",
@@ -368,7 +369,7 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
                 };
 
                 if (num_KumeranLockLoss > bd) {
-                        int kmrn_lock_loss = KumeranLockLoss[bd];
+                        unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
                         e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
                         if (hw->mac.type == e1000_ich8lan)
                                 e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,