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>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
index 7635aeb93dc8..e01c80ec5a88 100644
--- 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