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-rw-r--r--tools/iio/generic_buffer.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
index 9f7b85bf6ada..01c4f67801e0 100644
--- a/tools/iio/generic_buffer.c
+++ b/tools/iio/generic_buffer.c
@@ -328,6 +328,15 @@ int main(int argc, char **argv)
"diag %s\n", dev_dir_name);
goto error_free_triggername;
}
+ if (!num_channels) {
+ fprintf(stderr,
+ "No channels are enabled, we have nothing to scan.\n");
+ fprintf(stderr, "Enable channels manually in "
+ FORMAT_SCAN_ELEMENTS_DIR
+ "/*_en and try again.\n", dev_dir_name);
+ ret = -ENOENT;
+ goto error_free_triggername;
+ }
/*
* Construct the directory name for the associated buffer.