linux-kernel - [PATCH] regulator: core: Properly handle the case min_uV < rdev->desc->min_uV in map_voltage

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:	Thu, 07 Jun 2012 09:52:12 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: [PATCH] regulator: core: Properly handle the case min_uV <
 rdev->desc->min_uV in map_voltage_linear

Properly handle the case if the specified min_uV is less than the voltage given
by the lowest selector.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/core.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 3cbe312..02c1940 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2075,6 +2075,9 @@ int regulator_map_voltage_linear(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
+	if (min_uV < rdev->desc->min_uV)
+		min_uV = rdev->desc->min_uV;
+
 	ret = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
 	if (ret < 0)
 		return ret;
-- 
1.7.9.5



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/