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* [PATCH] serial: msm: add lock annotation to msm_set_baud_rate()
@ 2023-01-09 15:22 Krzysztof Kozlowski
  0 siblings, 0 replies; only message in thread
From: Krzysztof Kozlowski @ 2023-01-09 15:22 UTC (permalink / raw)
  To: Andy Gross, Bjorn Andersson, Konrad Dybcio, Greg Kroah-Hartman,
	Jiri Slaby, linux-arm-msm, linux-serial, linux-kernel
  Cc: Krzysztof Kozlowski

msm_set_baud_rate() releases and re-acquires the port->lock, thus add
lock annotation for Sparse static code checks.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/tty/serial/msm_serial.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 7dd19a281579..44e1e83127ac 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -1125,6 +1125,7 @@ msm_find_best_baud(struct uart_port *port, unsigned int baud,
 
 static int msm_set_baud_rate(struct uart_port *port, unsigned int baud,
 			     unsigned long *saved_flags)
+	__must_hold(&port->lock)
 {
 	unsigned int rxstale, watermark, mask;
 	struct msm_port *msm_port = to_msm_port(port);
-- 
2.34.1


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2023-01-09 15:22 [PATCH] serial: msm: add lock annotation to msm_set_baud_rate() Krzysztof Kozlowski

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