A zero hdrs_min_io_size is a bug and will trigger a ubi_assert. These are critical events, but don't panic the system.
The last ubi_assert will trigger a division by zero. Add a zero check into it, so it doesn't overlap with the first assert. Signed-off-by: Ahmad Fatoum <[email protected]> --- drivers/mtd/ubi/build.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 94b4231aadc4..8bb1f0cbb901 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -320,7 +320,8 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024) ubi_assert(ubi->hdrs_min_io_size > 0); ubi_assert(ubi->hdrs_min_io_size <= ubi->min_io_size); - ubi_assert(ubi->min_io_size % ubi->hdrs_min_io_size == 0); + ubi_assert(ubi->hdrs_min_io_size && + ubi->min_io_size % ubi->hdrs_min_io_size == 0); ubi->max_write_size = ubi->mtd->writebufsize; /* -- 2.39.5
