linux-kernel - [PATCH] applesmc: Silence uninitialized warnings

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Message-Id: <1327576121-2073-1-git-send-email-rydberg@euromail.se>
Date:	Thu, 26 Jan 2012 12:08:41 +0100
From:	"Henrik Rydberg" <rydberg@...omail.se>
To:	Guenter Roeck <guenter.roeck@...csson.com>
Cc:	Jean Delvare <khali@...ux-fr.org>, lm-sensors@...sensors.org,
	linux-kernel@...r.kernel.org, Henrik Rydberg <rydberg@...omail.se>
Subject: [PATCH] applesmc: Silence uninitialized warnings

Some error paths do not set a result, leading to the (false)
assumption that the value may be used uninitialized. Set results for
those paths as well.

Signed-off-by: Henrik Rydberg <rydberg@...omail.se>
---
 drivers/hwmon/applesmc.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b989553..11f79bb 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -344,8 +344,10 @@ static int applesmc_get_lower_bound(unsigned int *lo, const char *key)
 	while (begin != end) {
 		int middle = begin + (end - begin) / 2;
 		entry = applesmc_get_entry_by_index(middle);
-		if (IS_ERR(entry))
+		if (IS_ERR(entry)) {
+			*lo = 0;
 			return PTR_ERR(entry);
+		}
 		if (strcmp(entry->key, key) < 0)
 			begin = middle + 1;
 		else
@@ -364,8 +366,10 @@ static int applesmc_get_upper_bound(unsigned int *hi, const char *key)
 	while (begin != end) {
 		int middle = begin + (end - begin) / 2;
 		entry = applesmc_get_entry_by_index(middle);
-		if (IS_ERR(entry))
+		if (IS_ERR(entry)) {
+			*hi = smcreg.key_count;
 			return PTR_ERR(entry);
+		}
 		if (strcmp(key, entry->key) < 0)
 			end = middle;
 		else
-- 
1.7.8.4

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