[POWERPC] Fix loop with unsigned long counter variable
This fixes a possible infinite loop when the unsigned long counter "i"
is used in lmb_add_region() in the following for loop:
for (i = rgn->cnt-1; i >= 0; i--)
by making the loop counter "i" be signed.
Signed-off-by: Manish Ahuja <ahuja@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/mm/lmb.c b/arch/powerpc/mm/lmb.c
index e3a1e8d..8f4d2dc 100644
--- a/arch/powerpc/mm/lmb.c
+++ b/arch/powerpc/mm/lmb.c
@@ -138,8 +138,8 @@
static long __init lmb_add_region(struct lmb_region *rgn, unsigned long base,
unsigned long size)
{
- unsigned long i, coalesced = 0;
- long adjacent;
+ unsigned long coalesced = 0;
+ long adjacent, i;
/* First try and coalesce this LMB with another. */
for (i=0; i < rgn->cnt; i++) {