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2d4100632f
linux/drivers/w1
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H. Nikolaus Schaller 2d4100632f w1: omap-hdq: fix return value to be -1 if there is a timeout 
omap_w1_read_byte() should return -1 (or 0xff) in case of
error (e.g. missing battery).

The code accidentially overwrites the variable ret and not val,
which is returned. So it will return the initial value 0 instead
of -1.

Fixes: 27d13da878 ("w1: omap-hdq: Simplify driver with PM runtime autosuspend")
Cc: stable@vger.kernel.org # v5.6+
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/r/b2c2192b461fbb9b8e9bea4ad514a49557a7210b.1590255176.git.hns@goldelico.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-27 12:18:49 +02:00
..
masters w1: omap-hdq: fix return value to be -1 if there is a timeout 2020-05-27 12:18:49 +02:00
slaves w1_therm: remove redundant assignments to variable ret 2020-05-21 10:58:51 +02:00
Kconfig docs: driver-api: add a series of orphaned documents 2019-07-15 11:03:02 -03:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
w1_family.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
w1_int.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
w1_internal.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
w1_io.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
w1_netlink.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
w1_netlink.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
w1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00