sparc: explicitly cast negative phandle checks to s32

When we switched sparc from using 'int's to 'phandle's (which is a u32), we
neglected to do anything with the various checks for -1.  For those tests,
explicitly cast the phandles to s32.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

6 files changed, 24 insertions, 23 deletions

diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index 35f48837871a..8505e0ac78ba 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -121,7 +121,7 @@ void __init auxio_power_probe(void)
         node = prom_searchsiblings(node, "obio");
         node = prom_getchild(node);
         node = prom_searchsiblings(node, "power");
-        if (node == 0 || node == -1)
+        if (node == 0 || (s32)node == -1)
                 return;
 
         /* Map the power control register. */
diff --git a/arch/sparc/kernel/starfire.c b/arch/sparc/kernel/starfire.c
index a4446c0fb7a1..82281a566bb8 100644
--- a/arch/sparc/kernel/starfire.c
+++ b/arch/sparc/kernel/starfire.c
@@ -24,7 +24,7 @@ int this_is_starfire = 0;
 void check_if_starfire(void)
 {
         phandle ssnode = prom_finddevice("/ssp-serial");
-        if (ssnode != 0 && ssnode != -1)
+        if (ssnode != 0 && (s32)ssnode != -1)
                 this_is_starfire = 1;
 }
 
diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c
index d342dba4dd54..0a601b300639 100644
--- a/arch/sparc/prom/init_32.c
+++ b/arch/sparc/prom/init_32.c
@@ -60,7 +60,7 @@ void __init prom_init(struct linux_romvec *rp)
         prom_nodeops = romvec->pv_nodeops;
 
         prom_root_node = prom_getsibling(0);
-        if((prom_root_node == 0) || (prom_root_node == -1))
+        if ((prom_root_node == 0) || ((s32)prom_root_node == -1))
                 prom_halt();
 
         if((((unsigned long) prom_nodeops) == 0) || 
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c
index 3ff911e7d25b..200528bb0994 100644
--- a/arch/sparc/prom/init_64.c
+++ b/arch/sparc/prom/init_64.c
@@ -35,14 +35,14 @@ void __init prom_init(void *cif_handler, void *cif_stack)
         prom_cif_init(cif_handler, cif_stack);
 
         prom_chosen_node = prom_finddevice(prom_chosen_path);
-        if (!prom_chosen_node || prom_chosen_node == -1)
+        if (!prom_chosen_node || (s32)prom_chosen_node == -1)
                 prom_halt();
 
         prom_stdin = prom_getint(prom_chosen_node, "stdin");
         prom_stdout = prom_getint(prom_chosen_node, "stdout");
 
         node = prom_finddevice("/openprom");
-        if (!node || node == -1)
+        if (!node || (s32)node == -1)
                 prom_halt();
 
         prom_getstring(node, "version", prom_version, sizeof(prom_version));
diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c
index 535e2e69ac1d..f1d0734c245e 100644
--- a/arch/sparc/prom/tree_32.c
+++ b/arch/sparc/prom/tree_32.c
@@ -40,11 +40,11 @@ phandle prom_getchild(phandle node)
 {
         phandle cnode;
 
-        if (node == -1)
+        if ((s32)node == -1)
                 return 0;
 
         cnode = __prom_getchild(node);
-        if (cnode == 0 || cnode == -1)
+        if (cnode == 0 || (s32)cnode == -1)
                 return 0;
 
         return cnode;
@@ -72,11 +72,11 @@ phandle prom_getsibling(phandle node)
 {
         phandle sibnode;
 
-        if (node == -1)
+        if ((s32)node == -1)
                 return 0;
 
         sibnode = __prom_getsibling(node);
-        if (sibnode == 0 || sibnode == -1)
+        if (sibnode == 0 || (s32)sibnode == -1)
                 return 0;
 
         return sibnode;
@@ -231,7 +231,7 @@ char *__prom_nextprop(phandle node, char * oprop)
 /* buffer is unused argument, but as v9 uses it, we need to have the same interface */
 char *prom_firstprop(phandle node, char *bufer)
 {
-        if (node == 0 || node == -1)
+        if (node == 0 || (s32)node == -1)
                 return "";
 
         return __prom_nextprop(node, "");
@@ -244,7 +244,7 @@ EXPORT_SYMBOL(prom_firstprop);
  */
 char *prom_nextprop(phandle node, char *oprop, char *buffer)
 {
-        if (node == 0 || node == -1)
+        if (node == 0 || (s32)node == -1)
                 return "";
 
         return __prom_nextprop(node, oprop);
@@ -278,7 +278,7 @@ phandle prom_finddevice(char *name)
                                 if (d != s + 3 && (!*d || *d == '/')
                                     && d <= s + 3 + 8) {
                                         node2 = node;
-                                        while (node2 && node2 != -1) {
+                                        while (node2 && (s32)node2 != -1) {
                                                 if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) {
                                                         if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) {
                                                                 node = node2;
@@ -286,7 +286,7 @@ phandle prom_finddevice(char *name)
                                                         }
                                                 }
                                                 node2 = prom_getsibling(node2);
-                                                if (!node2 || node2 == -1)
+                                                if (!node2 || (s32)node2 == -1)
                                                         break;
                                                 node2 = prom_searchsiblings(prom_getsibling(node2), nbuf);
                                         }
@@ -339,6 +339,7 @@ phandle prom_inst2pkg(int inst)
         node = (*romvec->pv_v2devops.v2_inst2pkg)(inst);
         restore_current();
         spin_unlock_irqrestore(&prom_lock, flags);
-        if (node == -1) return 0;
+        if ((s32)node == -1)
+                return 0;
         return node;
 }
diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c
index d93660048376..92204c3800b5 100644
--- a/arch/sparc/prom/tree_64.c
+++ b/arch/sparc/prom/tree_64.c
@@ -43,10 +43,10 @@ inline phandle prom_getchild(phandle node)
 {
         phandle cnode;
 
-        if (node == -1)
+        if ((s32)node == -1)
                 return 0;
         cnode = __prom_getchild(node);
-        if (cnode == -1)
+        if ((s32)cnode == -1)
                 return 0;
         return cnode;
 }
@@ -56,10 +56,10 @@ inline phandle prom_getparent(phandle node)
 {
         phandle cnode;
 
-        if (node == -1)
+        if ((s32)node == -1)
                 return 0;
         cnode = prom_node_to_node("parent", node);
-        if (cnode == -1)
+        if ((s32)cnode == -1)
                 return 0;
         return cnode;
 }
@@ -76,10 +76,10 @@ inline phandle prom_getsibling(phandle node)
 {
         phandle sibnode;
 
-        if (node == -1)
+        if ((s32)node == -1)
                 return 0;
         sibnode = __prom_getsibling(node);
-        if (sibnode == -1)
+        if ((s32)sibnode == -1)
                 return 0;
 
         return sibnode;
@@ -240,7 +240,7 @@ inline char *prom_firstprop(phandle node, char *buffer)
         unsigned long args[7];
 
         *buffer = 0;
-        if (node == -1)
+        if ((s32)node == -1)
                 return buffer;
 
         args[0] = (unsigned long) prom_nextprop_name;
@@ -266,7 +266,7 @@ inline char *prom_nextprop(phandle node, const char *oprop, char *buffer)
         unsigned long args[7];
         char buf[32];
 
-        if (node == -1) {
+        if ((s32)node == -1) {
                 *buffer = 0;
                 return buffer;
         }
@@ -369,7 +369,7 @@ inline phandle prom_inst2pkg(int inst)
         p1275_cmd_direct(args);
 
         node = (int) args[4];
-        if (node == -1)
+        if ((s32)node == -1)
                 return 0;
         return node;
 }