return -1 if pathname passed to accept is a null-pointer.

unbreaks git with libusb-driver.so preloaded

diff --git a/usb-driver.c b/usb-driver.c
index d90952258c070961ca428af69ae90b93b414bbd5..18d6331189750b06a127344f446b04b90601c6ad 100644 (file)
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -890,6 +890,9 @@ int access(const char *pathname, int mode) {
 
        if (!func)
                func = (int (*) (const char*, int)) dlsym(RTLD_NEXT, "access");
+
+       if (!pathname)
+               return -1;
        
        if (!strcmp(pathname, "/dev/windrvr6")) {
                return 0;