[PATCH v3 3/3] mtd: maps: vmu-flash: fix NULL pointer dereference in initialization
Florian Fuchs <[email protected]>
| Newsgroups | gmane.linux.kernel,gmane.linux.drivers.mtd,gmane.linux.ports.sh.devel |
|---|---|
| Message-ID | <[email protected]> |
The mtd_info contains a struct device, which must be linked to its
parent. Without this, the initialization of the MTD fails with a NULL
pointer dereference.
Fixes: 47a72688fae7 ("mtd: flash mapping support for Dreamcast VMU.")
Cc: [email protected]
Signed-off-by: Florian Fuchs <[email protected]>
---
v2->v3: no functional change, added Fixes, Cc tag according to feedback
v1->v2: no functional change
v2: https://lore.kernel.org/lkml/[email protected]/
v1: https://lore.kernel.org/lkml/[email protected]/
drivers/mtd/maps/vmu-flash.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c
index b76d0609d1b7..10244e6731d0 100644
--- a/drivers/mtd/maps/vmu-flash.c
+++ b/drivers/mtd/maps/vmu-flash.c
@@ -547,6 +547,7 @@ static void vmu_queryblocks(struct mapleq *mq)
mpart->partition = card->partition;
mtd_cur->priv = mpart;
mtd_cur->owner = THIS_MODULE;
+ mtd_cur->dev.parent = &mdev->dev;
pcache = kzalloc_obj(struct vmu_cache);
if (!pcache)
--
2.43.0