Probing the lm75 device driver on 64 bit systems invokes
undefined behavior, because of an errant cast. Fix this.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
drivers/aiodev/lm75.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/aiodev/lm75.c b/drivers/aiodev/lm75.c
index 8186fd2c2b97..8e5948f46874 100644
--- a/drivers/aiodev/lm75.c
+++ b/drivers/aiodev/lm75.c
@@ -22,6 +22,7 @@
#define LM75_SHUTDOWN 0x01
enum lm75_type { /* keep sorted in alphabetical order */
+ unknown,
adt75,
ds1775,
ds75,
@@ -109,9 +110,9 @@ static int lm75_probe(struct device_d *dev)
int new, ret;
enum lm75_type kind;
- ret = dev_get_drvdata(dev, (const void **)&kind);
- if (ret)
- return ret;
+ kind = (enum lm75_type)device_get_match_data(dev);
+ if (kind == unknown)
+ return -ENODEV;
data = xzalloc(sizeof(*data));
--
2.28.0
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