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usb: typec: Use sysfs_emit_at when concatenating the string

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commit 609fded3f9 upstream.

The buffer address used in sysfs_emit should be aligned to PAGE_SIZE.
Use sysfs_emit_at instead to offset the buffer.

Fixes: a7cff92f06 ("usb: typec: USB Power Delivery helpers for ports and partners")
Cc: stable@vger.kernel.org
Signed-off-by: Kyle Tso <kyletso@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230623151036.3955013-4-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kyle Tso
2023-06-23 23:10:36 +08:00
committed by Greg Kroah-Hartman
parent 9e4c1e68bf
commit 60816ac26f
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/typec/class.c
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@@ -1269,9 +1269,9 @@ 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';