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-rw-r--r--arch/sparc64/mm/init.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 45a70d677d8..9d2b0da590a 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -102,8 +102,6 @@ static void __init read_obp_memory(const char *property,
prom_halt();
}
- *num_ents = ents;
-
/* Sanitize what we got from the firmware, by page aligning
* everything.
*/
@@ -125,6 +123,25 @@ static void __init read_obp_memory(const char *property,
regs[i].phys_addr = base;
regs[i].reg_size = size;
}
+
+ for (i = 0; i < ents; i++) {
+ if (regs[i].reg_size == 0UL) {
+ int j;
+
+ for (j = i; j < ents - 1; j++) {
+ regs[j].phys_addr =
+ regs[j+1].phys_addr;
+ regs[j].reg_size =
+ regs[j+1].reg_size;
+ }
+
+ ents--;
+ i--;
+ }
+ }
+
+ *num_ents = ents;
+
sort(regs, ents, sizeof(struct linux_prom64_registers),
cmp_p64, NULL);
}