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authorJens Axboe <jens.axboe@oracle.com>2010-05-21 21:27:26 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-05-21 21:27:26 +0200
commitee9a3607fb03e804ddf624544105f4e34260c380 (patch)
treece41b6e0fa10982a306f6c142a92dbf3c9961284 /arch/sh/mm/pmb.c
parentb492e95be0ae672922f4734acf3f5d35c30be948 (diff)
parentd515e86e639890b33a09390d062b0831664f04a2 (diff)
Merge branch 'master' into for-2.6.35
Conflicts: fs/ext3/fsync.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/sh/mm/pmb.c')
-rw-r--r--arch/sh/mm/pmb.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index e43ec600afc..18623ba751b 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -341,6 +341,8 @@ int pmb_bolt_mapping(unsigned long vaddr, phys_addr_t phys,
unsigned long flags, pmb_flags;
int i, mapped;
+ if (size < SZ_16M)
+ return -EINVAL;
if (!pmb_addr_valid(vaddr, size))
return -EFAULT;
if (pmb_mapping_exists(vaddr, phys, size))
@@ -680,7 +682,7 @@ static void __init pmb_merge(struct pmb_entry *head)
/*
* The merged page size must be valid.
*/
- if (!pmb_size_valid(newsize))
+ if (!depth || !pmb_size_valid(newsize))
return;
head->flags &= ~PMB_SZ_MASK;