From: Kamal Dasu kdasu.kdev@gmail.com
[ Upstream commit 630e8d5507d9f55dfa98134bfcadefb6cfba4fbb ]
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.
Fixes: 9f897bfdd89f ("mtd: Add flag to indicate panic_write") Signed-off-by: Kamal Dasu kdasu.kdev@gmail.com Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20200615155134.32007-1-kdasu.kdev@gmail.co... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 29d41003d6e0d..f8317ccd8f2a6 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);