aboutsummaryrefslogtreecommitdiff
path: root/drivers/mtd/mtdoops.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/mtdoops.c')
-rw-r--r--drivers/mtd/mtdoops.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 551e316e445..97bb8f6304d 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -169,14 +169,7 @@ static void mtdoops_workfunc_erase(struct work_struct *work)
cxt->nextpage = 0;
}
- while (1) {
- ret = mtd_block_isbad(mtd, cxt->nextpage * record_size);
- if (!ret)
- break;
- if (ret < 0) {
- printk(KERN_ERR "mtdoops: block_isbad failed, aborting\n");
- return;
- }
+ while ((ret = mtd_block_isbad(mtd, cxt->nextpage * record_size)) > 0) {
badblock:
printk(KERN_WARNING "mtdoops: bad block at %08lx\n",
cxt->nextpage * record_size);
@@ -190,6 +183,11 @@ badblock:
}
}
+ if (ret < 0) {
+ printk(KERN_ERR "mtdoops: mtd_block_isbad failed, aborting\n");
+ return;
+ }
+
for (j = 0, ret = -1; (j < 3) && (ret < 0); j++)
ret = mtdoops_erase_block(cxt, cxt->nextpage * record_size);
@@ -273,7 +271,7 @@ static void find_next_position(struct mtdoops_context *cxt)
if (count[0] == 0xffffffff && count[1] == 0xffffffff)
mark_page_unused(cxt, page);
- if (count[0] == 0xffffffff)
+ if (count[0] == 0xffffffff || count[1] != MTDOOPS_KERNMSG_MAGIC)
continue;
if (maxcount == 0xffffffff) {
maxcount = count[0];
@@ -291,14 +289,13 @@ static void find_next_position(struct mtdoops_context *cxt)
}
}
if (maxcount == 0xffffffff) {
- cxt->nextpage = 0;
- cxt->nextcount = 1;
- schedule_work(&cxt->work_erase);
- return;
+ cxt->nextpage = cxt->oops_pages - 1;
+ cxt->nextcount = 0;
+ }
+ else {
+ cxt->nextpage = maxpos;
+ cxt->nextcount = maxcount;
}
-
- cxt->nextpage = maxpos;
- cxt->nextcount = maxcount;
mtdoops_inc_counter(cxt);
}
@@ -387,8 +384,8 @@ static void mtdoops_notify_remove(struct mtd_info *mtd)
printk(KERN_WARNING "mtdoops: could not unregister kmsg_dumper\n");
cxt->mtd = NULL;
- flush_work_sync(&cxt->work_erase);
- flush_work_sync(&cxt->work_write);
+ flush_work(&cxt->work_erase);
+ flush_work(&cxt->work_write);
}