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-rw-r--r--src/libcamera/process.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcamera/process.cpp b/src/libcamera/process.cpp
index f4e4b004..edbe8664 100644
--- a/src/libcamera/process.cpp
+++ b/src/libcamera/process.cpp
@@ -241,7 +241,7 @@ int Process::start(const std::string &path,
int ret;
if (running_)
- return 0;
+ return -EBUSY;
int childPid = fork();
if (childPid == -1) {