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| author | Hartmut Knaack <knaack.h@gmx.de> | 2015-05-31 14:40:05 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-05-31 19:25:12 +0100 |
| commit | 963f54cef23b7e8c91bbe60b978b5f4a3e990f2c (patch) | |
| tree | 34b452ec0d0695fd41b269e18c0850ca0ff7b474 /tools/iio | |
| parent | 6bb7cac8551e2d60edbd25a6d046cc45932c4c3e (diff) | |
| download | linux-963f54cef23b7e8c91bbe60b978b5f4a3e990f2c.tar.gz linux-963f54cef23b7e8c91bbe60b978b5f4a3e990f2c.tar.bz2 linux-963f54cef23b7e8c91bbe60b978b5f4a3e990f2c.zip | |
tools:iio:iio_event_monitor: add error handling
Add error handling to calls which can indicate a major problem by
returning an error code.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'tools/iio')
| -rw-r--r-- | tools/iio/iio_event_monitor.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index 1374374208ee..1316527f3c3c 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: |