From: Kyle Tso <kyletso@xxxxxxxxxx>
commit 609fded3f91972ada551c141c5d04a71704f8967 upstream.
The buffer address used in sysfs_emit should be aligned to PAGE_SIZE.
Use sysfs_emit_at instead to offset the buffer.
Fixes: a7cff92f0635 ("usb: typec: USB Power Delivery helpers for ports and partners")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>
Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230623151036.3955013-4-kyletso@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/typec/class.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1288,9 +1288,9 @@ static ssize_t select_usb_power_delivery
for (i = 0; pds[i]; i++) {
if (pds[i] == port->pd)
- ret += sysfs_emit(buf + ret, "[%s] ", dev_name(&pds[i]->dev));
+ ret += sysfs_emit_at(buf, ret, "[%s] ", dev_name(&pds[i]->dev));
else
- ret += sysfs_emit(buf + ret, "%s ", dev_name(&pds[i]->dev));
+ ret += sysfs_emit_at(buf, ret, "%s ", dev_name(&pds[i]->dev));
}
buf[ret - 1] = '\n';
