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authorJames Clark <james.clark@arm.com>2023-05-09 10:49:41 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-05-30 21:07:15 +0100
commit9e6aa7c22d0777da16cec0d056382c9bd181aa78 (patch)
treecfb5120bf6ff4f61409740b964e860bfc443011e
parentiio: adc: Use devm_krealloc_array (diff)
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serial: qcom_geni: Comment use of devm_krealloc rather than devm_krealloc_array
Now that devm_krealloc_array is available, add a comment justifying not changing this occurrence to avoid any future auto fixups. Link: https://lore.kernel.org/all/20230318173402.20a4f60d@jic23-huawei/ Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: James Clark <james.clark@arm.com> Link: https://lore.kernel.org/r/20230509094942.396150-5-james.clark@arm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/qcom_geni_serial.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 8582479f0211..444c74eeab7d 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1053,6 +1053,11 @@ static int setup_fifos(struct qcom_geni_serial_port *port)
(port->tx_fifo_depth * port->tx_fifo_width) / BITS_PER_BYTE;
if (port->rx_buf && (old_rx_fifo_depth != port->rx_fifo_depth) && port->rx_fifo_depth) {
+ /*
+ * Use krealloc rather than krealloc_array because rx_buf is
+ * accessed as 1 byte entries as well as 4 byte entries so it's
+ * not necessarily an array.
+ */
port->rx_buf = devm_krealloc(uport->dev, port->rx_buf,
port->rx_fifo_depth * sizeof(u32),
GFP_KERNEL);