usart: Added ErrorCode off for _abort

FarhadGUL06 · FarhadGUL06 · commit 669100edef74 · 2026-04-21T18:59:19.000+03:00
diff --git a/chips/stm32u5xx/src/usart.rs b/chips/stm32u5xx/src/usart.rs
@@ -218,8 +218,10 @@ impl<'a> uart::Transmit<'a> for Usart<'a> {
             self.tx_client.map(move |client| {
                 client.transmitted_buffer(buf, 0, Err(kernel::ErrorCode::CANCEL));
             });
+            Ok(())
+        } else {
+            Err(kernel::ErrorCode::OFF)
         }
-        Ok(())
     }
 
     fn transmit_word(&self, _word: u32) -> Result<(), kernel::ErrorCode> {
@@ -291,10 +293,10 @@ impl<'a> uart::Receive<'a> for Usart<'a> {
                     uart::Error::Aborted,
                 );
             });
+            Ok(())
         } else {
-            return Err(kernel::ErrorCode::OFF);
+            Err(kernel::ErrorCode::OFF)
         }
-        Ok(())
     }
 
     fn receive_word(&self) -> Result<(), kernel::ErrorCode> {

Original file line number	Diff line number	Diff line change
`@@ -218,8 +218,10 @@ impl<'a> uart::Transmit<'a> for Usart<'a> {`
`218`	`218`	`self.tx_client.map(move \|client\| {`
`219`	`219`	`client.transmitted_buffer(buf, 0, Err(kernel::ErrorCode::CANCEL));`
`220`	`220`	`});`
	`221`	`+ Ok(())`
	`222`	`+ } else {`
	`223`	`+ Err(kernel::ErrorCode::OFF)`
`221`	`224`	`}`
`222`		`- Ok(())`
`223`	`225`	`}`
`224`	`226`
`225`	`227`	`fn transmit_word(&self, _word: u32) -> Result<(), kernel::ErrorCode> {`
`@@ -291,10 +293,10 @@ impl<'a> uart::Receive<'a> for Usart<'a> {`
`291`	`293`	`uart::Error::Aborted,`
`292`	`294`	`);`
`293`	`295`	`});`
	`296`	`+ Ok(())`
`294`	`297`	`} else {`
`295`		`- return Err(kernel::ErrorCode::OFF);`
	`298`	`+ Err(kernel::ErrorCode::OFF)`
`296`	`299`	`}`
`297`		`- Ok(())`
`298`	`300`	`}`
`299`	`301`
`300`	`302`	`fn receive_word(&self) -> Result<(), kernel::ErrorCode> {`