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authorAnton Blanchard <anton@samba.org>2013-08-07 02:01:24 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 11:50:24 +1000
commitb0d436c739b0d4afcdfe2e97d4d1ee41ea2db62e (patch)
treee1bcbf43d70097c6b86cc53e5a4583643bf42b3b /arch/powerpc/mm
parenta0a96ee9ba9ea188dee9126dbb404ff6253318cd (diff)
powerpc: Fix a number of sparse warnings
Address some of the trivial sparse warnings in arch/powerpc. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/hash_utils_64.c2
-rw-r--r--arch/powerpc/mm/subpage-prot.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 6ecc38bd5b24..bde8b5589755 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -907,7 +907,7 @@ static int subpage_protection(struct mm_struct *mm, unsigned long ea)
if (ea >= spt->maxaddr)
return 0;
- if (ea < 0x100000000) {
+ if (ea < 0x100000000UL) {
/* addresses below 4GB use spt->low_prot */
sbpm = spt->low_prot;
} else {
diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c
index aa74acb0fdfc..a770df2dae70 100644
--- a/arch/powerpc/mm/subpage-prot.c
+++ b/arch/powerpc/mm/subpage-prot.c
@@ -105,7 +105,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len)
limit = spt->maxaddr;
for (; addr < limit; addr = next) {
next = pmd_addr_end(addr, limit);
- if (addr < 0x100000000) {
+ if (addr < 0x100000000UL) {
spm = spt->low_prot;
} else {
spm = spt->protptrs[addr >> SBP_L3_SHIFT];
@@ -219,7 +219,7 @@ long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map)
for (limit = addr + len; addr < limit; addr = next) {
next = pmd_addr_end(addr, limit);
err = -ENOMEM;
- if (addr < 0x100000000) {
+ if (addr < 0x100000000UL) {
spm = spt->low_prot;
} else {
spm = spt->protptrs[addr >> SBP_L3_SHIFT];