realtek: 5.15: fix uninizialized variable in rtl83xx qos driver

Fix uninizialized variable in rtl83xx qos driver
Fix compilation error:
drivers/net/dsa/rtl83xx/qos.c: In function 'rtl838x_setup_prio2queue_matrix':
drivers/net/dsa/rtl83xx/qos.c:298:19: error: 'v' is used uninitialized [-Werror=uninitialized]
  298 |                 v |= i << (min_queues[i] * 3);
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/rtl83xx/qos.c:294:13: note: 'v' was declared here
  294 |         u32 v;
      |             ^
drivers/net/dsa/rtl83xx/qos.c: In function 'rtl83xx_setup_prio2queue_cpu_matrix':
drivers/net/dsa/rtl83xx/qos.c:320:19: error: 'v' is used uninitialized [-Werror=uninitialized]
  320 |                 v |= max_queues[i] << (i * 3);
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/rtl83xx/qos.c:316:13: note: 'v' was declared here
  316 |         u32 v;
      |             ^
cc1: all warnings being treated as errors
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

diff --git a/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/qos.c b/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/qos.c
index 28976412aac6bf2c36f4299593dc35559df2fe6e..d101e1c97e65675f917d85be57d7bb421769b9ed 100644 (file)
--- a/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/qos.c
+++ b/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/qos.c
@@ -291,7 +291,7 @@ static void rtl839x_rate_control_init(struct rtl838x_switch_priv *priv)
 
 void rtl838x_setup_prio2queue_matrix(int *min_queues)
 {
-       u32 v;
+       u32 v = 0;
 
        pr_info("Current Intprio2queue setting: %08x\n", sw_r32(RTL838X_QM_INTPRI2QID_CTRL));
        for (int i = 0; i < MAX_PRIOS; i++)
@@ -313,7 +313,7 @@ void rtl83xx_setup_prio2queue_cpu_matrix(int *max_queues)
 {
        int reg = soc_info.family == RTL8380_FAMILY_ID ? RTL838X_QM_PKT2CPU_INTPRI_MAP
                                        : RTL839X_QM_PKT2CPU_INTPRI_MAP;
-       u32 v;
+       u32 v = 0;
 
        pr_info("QM_PKT2CPU_INTPRI_MAP: %08x\n", sw_r32(reg));
        for (int i = 0; i < MAX_PRIOS; i++)