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mtd: mtdoops: Don't write panic data twice 

[ Upstream commit c1cf1d57d1 ]

If calling mtdoops_write, don't also schedule work to be done later.

Although this appears to not be causing an issue, possibly because the
scheduled work will never get done, it is confusing.

Fixes: 016c1291ce ("mtd: mtdoops: do not use mtd->panic_write directly")
Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200903034217.23079-1-mark.tomlinson@alliedtelesis.co.nz
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Mark Tomlinson 2020-09-03 15:42:17 +12:00 committed by Greg Kroah-Hartman
parent b8d4f65c6a
commit baa7ea082f
1 changed files with 6 additions and 5 deletions
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11
drivers/mtd/mtdoops.c
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@ -279,12 +279,13 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
kmsg_dump_get_buffer(dumper, true, cxt->oops_buf + MTDOOPS_HEADER_SIZE,
record_size - MTDOOPS_HEADER_SIZE, NULL);
/* Panics must be written immediately */
if (reason != KMSG_DUMP_OOPS)
if (reason != KMSG_DUMP_OOPS) {
/* Panics must be written immediately */
mtdoops_write(cxt, 1);
/* For other cases, schedule work to write it "nicely" */
schedule_work(&cxt->work_write);
} else {
/* For other cases, schedule work to write it "nicely" */
schedule_work(&cxt->work_write);
}
}
static void mtdoops_notify_add(struct mtd_info *mtd)