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mtd: tests: nandbiterrs: Fix read_page return value 

The number of corrected bitflips is not correctly reported by
the test until the bitflip threshold is reached.

read_page() shall return the number of corrected bitflips, but
mtd_read() returns 0 or a negative error, so we can't forward
its return value. In the absence of an error we always have
calculate the number of bitflips ourselves.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
hifive-unleashed-5.1
Sascha Hauer 2018-01-09 10:47:02 +01:00 committed by Boris Brezillon
parent f953f0f896
commit 6cbefbdcec
1 changed files with 1 additions and 1 deletions
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drivers/mtd/tests/nandbiterrs.c
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@ -151,7 +151,7 @@ static int read_page(int log)
memcpy(&oldstats, &mtd->ecc_stats, sizeof(oldstats));
err = mtd_read(mtd, offset, mtd->writesize, &read, rbuffer);
if (err == -EUCLEAN)
if (!err || err == -EUCLEAN)
err = mtd->ecc_stats.corrected - oldstats.corrected;
if (err < 0 || read != mtd->writesize) {