[Patch] mtd: set master partition panic write flag

[Kamal Dasu <kdasu.kdev@xxxxxxxxx>]

Check and set master panic write flag so that low level drivers
can use it to take required action to ensure oops data gets written
to assigned mtdoops device partition.

Signed-off-by: Kamal Dasu <kdasu.kdev@xxxxxxxxx>
---
 drivers/mtd/mtdcore.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 2916674208b3..7e37ed2f38ea 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1235,8 +1235,8 @@ int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
 		return -EROFS;
 	if (!len)
 		return 0;
-	if (!mtd->oops_panic_write)
-		mtd->oops_panic_write = true;
+	if (!master->oops_panic_write)
+		master->oops_panic_write = true;
 
 	return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,
 				    retlen, buf);
-- 
2.17.1


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