diff options
| author | Paul Elder <paul.elder@ideasonboard.com> | 2019-07-12 17:42:40 +0900 |
|---|---|---|
| committer | Paul Elder <paul.elder@ideasonboard.com> | 2019-07-12 17:48:30 +0900 |
| commit | bfbc25785fcafb0ed2e14a19d2508238594065d3 (patch) | |
| tree | d4060abc33f8c93fd8f48331a2575373adb1c23e /src | |
| parent | b5cffad2d48b0e0f280b7c132a10e0405a0aa50a (diff) | |
libcamera: process: fix error checking
The return value of a read() call is mistakenly checked for nonzero
rather than less than zero. Fix this.
Fixes: df23ab95f3d7 ("libcamera: process: fix compilation on Chromium OS")
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/libcamera/process.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libcamera/process.cpp b/src/libcamera/process.cpp index aee33735..6c41da21 100644 --- a/src/libcamera/process.cpp +++ b/src/libcamera/process.cpp @@ -87,7 +87,8 @@ void sigact(int signal, siginfo_t *info, void *ucontext) void ProcessManager::sighandler(EventNotifier *notifier) { char data; - if (read(pipe_[0], &data, sizeof(data))) { + ssize_t ret = read(pipe_[0], &data, sizeof(data)); + if (ret < 0) { LOG(Process, Error) << "Failed to read byte from signal handler pipe"; return; |