[MTD] mtdoops: Fix an off by one error

Fix an off by one error in the mtdoops driver

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 5a680e1e61f1..f40e45727aed 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -99,7 +99,7 @@ static void mtdoops_inc_counter(struct mtdoops_context *cxt)
         int ret;
 
         cxt->nextpage++;
-        if (cxt->nextpage > cxt->oops_pages)
+        if (cxt->nextpage >= cxt->oops_pages)
                 cxt->nextpage = 0;
         cxt->nextcount++;
         if (cxt->nextcount == 0xffffffff)
@@ -141,7 +141,7 @@ static void mtdoops_workfunc_erase(struct work_struct *work)
         mod = (cxt->nextpage * OOPS_PAGE_SIZE) % mtd->erasesize;
         if (mod != 0) {
                 cxt->nextpage = cxt->nextpage + ((mtd->erasesize - mod) / OOPS_PAGE_SIZE);
-                if (cxt->nextpage > cxt->oops_pages)
+                if (cxt->nextpage >= cxt->oops_pages)
                         cxt->nextpage = 0;
         }
 
@@ -158,7 +158,7 @@ badblock:
                                 cxt->nextpage * OOPS_PAGE_SIZE);
                 i++;
                 cxt->nextpage = cxt->nextpage + (mtd->erasesize / OOPS_PAGE_SIZE);
-                if (cxt->nextpage > cxt->oops_pages)
+                if (cxt->nextpage >= cxt->oops_pages)
                         cxt->nextpage = 0;
                 if (i == (cxt->oops_pages / (mtd->erasesize / OOPS_PAGE_SIZE))) {
                         printk(KERN_ERR "mtdoops: All blocks bad!\n");