Add error handling to calls which can indicate a major problem by
returning an error code.
Signed-off-by: Hartmut Knaack <knaack.h@xxxxxx>
---
tools/iio/iio_event_monitor.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index 1374374..1316527 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -286,7 +286,10 @@ int main(int argc, char **argv)
goto error_free_chrdev_name;
}
- close(fd);
+ if (close(fd) == -1) {
+ ret = -errno;
+ goto error_free_chrdev_name;
+ }
while (true) {
ret = read(event_fd, &event, sizeof(event));
@@ -304,7 +307,9 @@ int main(int argc, char **argv)
print_event(&event);
}
- close(event_fd);
+ if (close(event_fd) == -1)
+ perror("Failed to close event file");
+
error_free_chrdev_name:
free(chrdev_name);
error_ret:
--
2.3.6
--
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