f25cdd6acc
* Changes from #580 * fixes USB cancel panic * style fixes * Update src/env/tock/storage.rs Co-authored-by: Zach Halvorsen <zhalvorsen@google.com> --------- Co-authored-by: Zach Halvorsen <zhalvorsen@google.com>
25 lines
832 B
Diff
25 lines
832 B
Diff
diff --git a/kernel/src/syscall_driver.rs b/kernel/src/syscall_driver.rs
|
|
index 0e2943fe4..3b5b42486 100644
|
|
--- a/kernel/src/syscall_driver.rs
|
|
+++ b/kernel/src/syscall_driver.rs
|
|
@@ -102,6 +102,19 @@ impl CommandReturn {
|
|
self.0
|
|
}
|
|
|
|
+ /// Check whether the inner `SyscallReturn` value is successful
|
|
+ pub fn is_success(&self) -> bool {
|
|
+ matches!(
|
|
+ self.0,
|
|
+ SyscallReturn::Success
|
|
+ | SyscallReturn::SuccessU32(_)
|
|
+ | SyscallReturn::SuccessU32U32(_, _)
|
|
+ | SyscallReturn::SuccessU32U32U32(_, _, _)
|
|
+ | SyscallReturn::SuccessU32U64(_, _)
|
|
+ | SyscallReturn::SuccessU64(_)
|
|
+ )
|
|
+ }
|
|
+
|
|
/// Command error
|
|
pub fn failure(rc: ErrorCode) -> Self {
|
|
CommandReturn(SyscallReturn::Failure(rc))
|