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>
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@ -286,7 +286,10 @@ int main(int argc, char **argv)
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goto error_free_chrdev_name;
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}
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close(fd);
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if (close(fd) == -1) {
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ret = -errno;
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goto error_free_chrdev_name;
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}
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while (true) {
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ret = read(event_fd, &event, sizeof(event));
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@ -304,7 +307,9 @@ int main(int argc, char **argv)
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print_event(&event);
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}
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close(event_fd);
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if (close(event_fd) == -1)
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perror("Failed to close event file");
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error_free_chrdev_name:
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free(chrdev_name);
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error_ret:
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