From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 15 Apr 2011 17:56:00 +0000 (+0100)
Subject: staging:iio:documentation make read_size signed to allow for errors.
X-Git-Tag: firefly_0821_release~7613^2~1326^2~678
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c77b38108d6aaae05823e02d7df28b6e0d5ffdad;p=firefly-linux-kernel-4.4.55.git

staging:iio:documentation make read_size signed to allow for errors.

Without this all hell breaks loose if you have no data.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c
index 3cc18ab4ebfd..eb72e95f76f8 100644
--- a/drivers/staging/iio/Documentation/generic_buffer.c
+++ b/drivers/staging/iio/Documentation/generic_buffer.c
@@ -132,7 +132,7 @@ int main(int argc, char **argv)
 
 	int datardytrigger = 1;
 	char *data;
-	size_t read_size;
+	ssize_t read_size;
 	struct iio_event_data dat;
 	int dev_num, trig_num;
 	char *buffer_access, *buffer_event;