bluetooth: fix dev->rxlen is considered to have possibly overflowed

chengkai15 · xiaoxiang781216 · commit 113b660aa600 · 2024-10-17T18:09:32.000+08:00
rootcause: fix the expression dev-&gt;rxlen is considered to
have possibly overflowed.

Signed-off-by: chengkai &lt;chengkai@xiaomi.com&gt;
diff --git a/arch/sim/src/sim/sim_hcisocket.c b/arch/sim/src/sim/sim_hcisocket.c
@@ -146,7 +146,7 @@ static int bthcisock_receive(struct bt_driver_s *drv)
       return ret;
     }
 
-  dev->rxlen += ret;
+  dev->rxlen += (uint16_t)ret;
 
   while (dev->rxlen)
     {

Original file line number	Diff line number	Diff line change
`@@ -146,7 +146,7 @@ static int bthcisock_receive(struct bt_driver_s *drv)`
`146`	`146`	`return ret;`
`147`	`147`	`}`
`148`	`148`
`149`		`- dev->rxlen += ret;`
	`149`	`+ dev->rxlen += (uint16_t)ret;`
`150`	`150`
`151`	`151`	`while (dev->rxlen)`
`152`	`152`	`{`