tools:iio:generic_buffer: fix check of errno

Since errno contains the value of any of the defined error names, a
negation will not lead to the desired match.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
index 7635aeb..e01c80e 100644 (file)
--- a/tools/iio/generic_buffer.c
+++ b/tools/iio/generic_buffer.c
@@ -321,7 +321,7 @@ int main(int argc, char **argv)
                                 data,
                                 toread*scan_size);
                if (read_size < 0) {
-                       if (errno == -EAGAIN) {
+                       if (errno == EAGAIN) {
                                printf("nothing available\n");
                                continue;
                        } else