From: Nikita Shubin <nikita.shubin@maquefel.me>
Date: Mon, 9 Dec 2024 12:23:37 +0000 (+0300)
Subject: core: allow cuse created gpiochip
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7fd05cbf10351b2d1c578c95d47503a63e3fe6bc;p=qemu-gpiodev%2Flibgpiod.git

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 56cb8b9..63f05c9 100644
--- 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;