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Message-ID: <20230622150423.3726894-4-kyletso@google.com>
Date: Thu, 22 Jun 2023 23:04:23 +0800
From: Kyle Tso <kyletso@...gle.com>
To: heikki.krogerus@...ux.intel.com, gregkh@...uxfoundation.org
Cc: badhri@...gle.com, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org, Kyle Tso <kyletso@...gle.com>
Subject: [PATCH 3/3] usb: typec: Use sysfs_emit_at when concatenating the string
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")
Signed-off-by: Kyle Tso <kyletso@...gle.com>
---
drivers/usb/typec/class.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index e7312295f8c9..9c1dbf3c00e0 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1288,9 +1288,9 @@ static ssize_t select_usb_power_delivery_show(struct device *dev,
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';
--
2.41.0.162.gfafddb0af9-goog
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