[PATCH] media: tc358746: init m/p_best to 0

[Hans Verkuil <hverkuil@xxxxxxxxx>]

This fixes compiler warnings:

In file included from include/linux/printk.h:566,
                 from include/linux/kernel.h:29,
                 from include/linux/clk.h:13,
                 from drivers/media/i2c/tc358746.c:12:
drivers/media/i2c/tc358746.c: In function 'tc358746_find_pll_settings':
include/linux/dynamic_debug.h:272:33: warning: 'p_best' may be used uninitialized in this function [-Wmaybe-uninitialized]
  272 |         _dynamic_func_call(fmt, __dynamic_dev_dbg,              \
      |                                 ^~~~~~~~~~~~~~~~~
drivers/media/i2c/tc358746.c:817:13: note: 'p_best' was declared here
  817 |         u16 p_best, p;
      |             ^~~~~~
In file included from include/linux/printk.h:566,
                 from include/linux/kernel.h:29,
                 from include/linux/clk.h:13,
                 from drivers/media/i2c/tc358746.c:12:
include/linux/dynamic_debug.h:272:33: warning: 'm_best' may be used uninitialized in this function [-Wmaybe-uninitialized]
  272 |         _dynamic_func_call(fmt, __dynamic_dev_dbg,              \
      |                                 ^~~~~~~~~~~~~~~~~
drivers/media/i2c/tc358746.c:816:13: note: 'm_best' was declared here
  816 |         u16 m_best, mul;
      |             ^~~~~~

Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
---
 drivers/media/i2c/tc358746.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/i2c/tc358746.c b/drivers/media/i2c/tc358746.c
index d1f552bd81d4..b86baa5c2d82 100644
--- a/drivers/media/i2c/tc358746.c
+++ b/drivers/media/i2c/tc358746.c
@@ -813,8 +813,8 @@ static unsigned long tc358746_find_pll_settings(struct tc358746 *tc358746,
 	u32 min_delta = 0xffffffff;
 	u16 prediv_max = 17;
 	u16 prediv_min = 1;
-	u16 m_best, mul;
-	u16 p_best, p;
+	u16 m_best = 0, mul;
+	u16 p_best = 0, p;
 	u8 postdiv;

 	if (fout > 1000 * HZ_PER_MHZ) {
-- 
2.39.0