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Diffstat (limited to 'drv_WincorNixdorf.c')
-rw-r--r--drv_WincorNixdorf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drv_WincorNixdorf.c b/drv_WincorNixdorf.c
index b016dc9..829a570 100644
--- a/drv_WincorNixdorf.c
+++ b/drv_WincorNixdorf.c
@@ -140,7 +140,7 @@ static int drv_WN_start(const char *section, const int quiet)
drv_generic_serial_write(ESC "[0c", 4);
usleep(100 * 1000);
- if ((len = drv_generic_serial_read(buffer, -1 * sizeof(buffer))) > 0) {
+ if ((len = drv_generic_serial_read(buffer, -1 * (int) sizeof(buffer))) > 0) {
info("%s: waiting 15 seconds for selftest", Name);
drv_generic_serial_write(buffer, len);
sleep(15);