Probing the lm75 device driver on 64 bit systems invokes undefined behavior, because of an errant cast. Fix this.
Signed-off-by: Ahmad Fatoum <[email protected]> --- 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 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
