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    Subject[PATCH 5.7 046/166] mtd: set master partition panic write flag
    Date
    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.com
    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);
    --
    2.25.1


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