From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Irina Tirdea To: Jonathan Cameron , linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Hartmut Knaack , Irina Tirdea Subject: [PATCH 2/2] tools: iio: print error message when buffer enable fails Date: Thu, 23 Jul 2015 20:22:52 +0300 Message-Id: <1437672172-21189-3-git-send-email-irina.tirdea@intel.com> In-Reply-To: <1437672172-21189-1-git-send-email-irina.tirdea@intel.com> References: <1437672172-21189-1-git-send-email-irina.tirdea@intel.com> List-ID: Running generic_buffer without enabling any channel of the sensor will fail without printing any error message. Add an error message that indicates buffer enable failed. Signed-off-by: Irina Tirdea --- tools/iio/generic_buffer.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c index 32f389eb..936469c 100644 --- a/tools/iio/generic_buffer.c +++ b/tools/iio/generic_buffer.c @@ -364,8 +364,11 @@ int main(int argc, char **argv) /* Enable the buffer */ ret = write_sysfs_int("enable", buf_dir_name, 1); - if (ret < 0) + if (ret < 0) { + fprintf(stderr, + "Failed to enable buffer: %s\n", strerror(errno)); goto error_free_buf_dir_name; + } scan_size = size_from_channelarray(channels, num_channels); data = malloc(scan_size * buf_len); -- 1.9.1