split off because the relevant mtd changes seem particular to -mm
Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]>
---
drivers/mtd/mtdcore.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: linux-2.6/drivers/mtd/mtdcore.c
===================================================================
--- linux-2.6.orig/drivers/mtd/mtdcore.c
+++ linux-2.6/drivers/mtd/mtdcore.c
@@ -48,6 +48,7 @@ static LIST_HEAD(mtd_notifiers);
int add_mtd_device(struct mtd_info *mtd)
{
int i;
+ int err;
if (!mtd->backing_dev_info) {
switch (mtd->type) {
@@ -62,6 +63,9 @@ int add_mtd_device(struct mtd_info *mtd)
break;
}
}
+ err = bdi_init(mtd->backing_dev_info);
+ if (err)
+ return 1;
BUG_ON(mtd->writesize == 0);
mutex_lock(&mtd_table_mutex);
@@ -102,6 +106,7 @@ int add_mtd_device(struct mtd_info *mtd)
}
mutex_unlock(&mtd_table_mutex);
+ bdi_destroy(mtd->backing_dev_info);
return 1;
}
@@ -144,6 +149,10 @@ int del_mtd_device (struct mtd_info *mtd
}
mutex_unlock(&mtd_table_mutex);
+
+ if (mtd->backing_dev_info)
+ bdi_destroy(mtd->backing_dev_info);
+
return ret;
}
--
-
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