Commit 4a3a255289e7e322b8044286cce85031990f888a

Authored by Andres Salomon
Committed by Grant Likely
1 parent 301a3da358

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>

Showing 7 changed files with 25 additions and 24 deletions Side-by-side Diff

arch/sparc/kernel/auxio_32.c
... ... @@ -121,7 +121,7 @@
121 121 node = prom_searchsiblings(node, "obio");
122 122 node = prom_getchild(node);
123 123 node = prom_searchsiblings(node, "power");
124   - if (node == 0 || node == -1)
  124 + if (node == 0 || (s32)node == -1)
125 125 return;
126 126  
127 127 /* Map the power control register. */
arch/sparc/kernel/starfire.c
... ... @@ -24,7 +24,7 @@
24 24 void check_if_starfire(void)
25 25 {
26 26 phandle ssnode = prom_finddevice("/ssp-serial");
27   - if (ssnode != 0 && ssnode != -1)
  27 + if (ssnode != 0 && (s32)ssnode != -1)
28 28 this_is_starfire = 1;
29 29 }
30 30  
arch/sparc/prom/init_32.c
... ... @@ -60,7 +60,7 @@
60 60 prom_nodeops = romvec->pv_nodeops;
61 61  
62 62 prom_root_node = prom_getsibling(0);
63   - if((prom_root_node == 0) || (prom_root_node == -1))
  63 + if ((prom_root_node == 0) || ((s32)prom_root_node == -1))
64 64 prom_halt();
65 65  
66 66 if((((unsigned long) prom_nodeops) == 0) ||
arch/sparc/prom/init_64.c
... ... @@ -35,14 +35,14 @@
35 35 prom_cif_init(cif_handler, cif_stack);
36 36  
37 37 prom_chosen_node = prom_finddevice(prom_chosen_path);
38   - if (!prom_chosen_node || prom_chosen_node == -1)
  38 + if (!prom_chosen_node || (s32)prom_chosen_node == -1)
39 39 prom_halt();
40 40  
41 41 prom_stdin = prom_getint(prom_chosen_node, "stdin");
42 42 prom_stdout = prom_getint(prom_chosen_node, "stdout");
43 43  
44 44 node = prom_finddevice("/openprom");
45   - if (!node || node == -1)
  45 + if (!node || (s32)node == -1)
46 46 prom_halt();
47 47  
48 48 prom_getstring(node, "version", prom_version, sizeof(prom_version));
arch/sparc/prom/tree_32.c
... ... @@ -40,11 +40,11 @@
40 40 {
41 41 phandle cnode;
42 42  
43   - if (node == -1)
  43 + if ((s32)node == -1)
44 44 return 0;
45 45  
46 46 cnode = __prom_getchild(node);
47   - if (cnode == 0 || cnode == -1)
  47 + if (cnode == 0 || (s32)cnode == -1)
48 48 return 0;
49 49  
50 50 return cnode;
51 51  
... ... @@ -72,11 +72,11 @@
72 72 {
73 73 phandle sibnode;
74 74  
75   - if (node == -1)
  75 + if ((s32)node == -1)
76 76 return 0;
77 77  
78 78 sibnode = __prom_getsibling(node);
79   - if (sibnode == 0 || sibnode == -1)
  79 + if (sibnode == 0 || (s32)sibnode == -1)
80 80 return 0;
81 81  
82 82 return sibnode;
... ... @@ -231,7 +231,7 @@
231 231 /* buffer is unused argument, but as v9 uses it, we need to have the same interface */
232 232 char *prom_firstprop(phandle node, char *bufer)
233 233 {
234   - if (node == 0 || node == -1)
  234 + if (node == 0 || (s32)node == -1)
235 235 return "";
236 236  
237 237 return __prom_nextprop(node, "");
... ... @@ -244,7 +244,7 @@
244 244 */
245 245 char *prom_nextprop(phandle node, char *oprop, char *buffer)
246 246 {
247   - if (node == 0 || node == -1)
  247 + if (node == 0 || (s32)node == -1)
248 248 return "";
249 249  
250 250 return __prom_nextprop(node, oprop);
... ... @@ -278,7 +278,7 @@
278 278 if (d != s + 3 && (!*d || *d == '/')
279 279 && d <= s + 3 + 8) {
280 280 node2 = node;
281   - while (node2 && node2 != -1) {
  281 + while (node2 && (s32)node2 != -1) {
282 282 if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) {
283 283 if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) {
284 284 node = node2;
... ... @@ -286,7 +286,7 @@
286 286 }
287 287 }
288 288 node2 = prom_getsibling(node2);
289   - if (!node2 || node2 == -1)
  289 + if (!node2 || (s32)node2 == -1)
290 290 break;
291 291 node2 = prom_searchsiblings(prom_getsibling(node2), nbuf);
292 292 }
... ... @@ -339,7 +339,8 @@
339 339 node = (*romvec->pv_v2devops.v2_inst2pkg)(inst);
340 340 restore_current();
341 341 spin_unlock_irqrestore(&prom_lock, flags);
342   - if (node == -1) return 0;
  342 + if ((s32)node == -1)
  343 + return 0;
343 344 return node;
344 345 }
arch/sparc/prom/tree_64.c
... ... @@ -43,10 +43,10 @@
43 43 {
44 44 phandle cnode;
45 45  
46   - if (node == -1)
  46 + if ((s32)node == -1)
47 47 return 0;
48 48 cnode = __prom_getchild(node);
49   - if (cnode == -1)
  49 + if ((s32)cnode == -1)
50 50 return 0;
51 51 return cnode;
52 52 }
53 53  
... ... @@ -56,10 +56,10 @@
56 56 {
57 57 phandle cnode;
58 58  
59   - if (node == -1)
  59 + if ((s32)node == -1)
60 60 return 0;
61 61 cnode = prom_node_to_node("parent", node);
62   - if (cnode == -1)
  62 + if ((s32)cnode == -1)
63 63 return 0;
64 64 return cnode;
65 65 }
66 66  
... ... @@ -76,10 +76,10 @@
76 76 {
77 77 phandle sibnode;
78 78  
79   - if (node == -1)
  79 + if ((s32)node == -1)
80 80 return 0;
81 81 sibnode = __prom_getsibling(node);
82   - if (sibnode == -1)
  82 + if ((s32)sibnode == -1)
83 83 return 0;
84 84  
85 85 return sibnode;
... ... @@ -240,7 +240,7 @@
240 240 unsigned long args[7];
241 241  
242 242 *buffer = 0;
243   - if (node == -1)
  243 + if ((s32)node == -1)
244 244 return buffer;
245 245  
246 246 args[0] = (unsigned long) prom_nextprop_name;
... ... @@ -266,7 +266,7 @@
266 266 unsigned long args[7];
267 267 char buf[32];
268 268  
269   - if (node == -1) {
  269 + if ((s32)node == -1) {
270 270 *buffer = 0;
271 271 return buffer;
272 272 }
... ... @@ -369,7 +369,7 @@
369 369 p1275_cmd_direct(args);
370 370  
371 371 node = (int) args[4];
372   - if (node == -1)
  372 + if ((s32)node == -1)
373 373 return 0;
374 374 return node;
375 375 }
drivers/sbus/char/jsflash.c
... ... @@ -467,7 +467,7 @@
467 467  
468 468 node = prom_getchild(prom_root_node);
469 469 node = prom_searchsiblings(node, "flash-memory");
470   - if (node != 0 && node != -1) {
  470 + if (node != 0 && (s32)node != -1) {
471 471 if (prom_getproperty(node, "reg",
472 472 (char *)&reg0, sizeof(reg0)) == -1) {
473 473 printk("jsflash: no \"reg\" property\n");