[PATCH v3 1/3] mtd: mtdoops: Fix the size of the header read buffer.

From: Jean-Marc Eurin
Date: Thu Apr 14 2022 - 20:14:11 EST


The read buffer size depends on the MTDOOPS_HEADER_SIZE.

Tested: Changed the header size, it doesn't panic, header is still
read/written correctly.

Signed-off-by: Jean-Marc Eurin <jmeurin@xxxxxxxxxx>
---
drivers/mtd/mtdoops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 227df24387df..09a26747f490 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -223,7 +223,7 @@ static void find_next_position(struct mtdoops_context *cxt)
{
struct mtd_info *mtd = cxt->mtd;
int ret, page, maxpos = 0;
- u32 count[2], maxcount = 0xffffffff;
+ u32 count[MTDOOPS_HEADER_SIZE/sizeof(u32)], maxcount = 0xffffffff;
size_t retlen;

for (page = 0; page < cxt->oops_pages; page++) {
--
2.36.0.rc0.470.gd361397f0d-goog