core: allow cuse created gpiochip

Add this to check if device was created via cuse and allow it. This
assumes no other device present on system.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/lib/internal.c b/lib/internal.c
index 56cb8b9b44b6a81735b40b5a191631a00e0e8638..63f05c9d9228c6d656564c249e5d2b8c608efd29 100644 (file)
--- a/lib/internal.c
+++ b/lib/internal.c
@@ -64,10 +64,12 @@ bool gpiod_check_gpiochip_device(const char *path, bool set_errno)
         */
        errno = 0;
 
-       if (strcmp(sysfsp, "/sys/bus/gpio") != 0) {
-               /* This is a character device but not the one we're after. */
-               errno = ENODEV;
-               goto out_free_sysfsp;
+       if (strcmp(sysfsp, "/sys/class/cuse") != 0) {
+               if (strcmp(sysfsp, "/sys/bus/gpio") != 0) {
+                       /* This is a character device but not the one we're after. */
+                       errno = ENODEV;
+                       goto out_free_sysfsp;
+               }
        }
 
        ret = true;