From: Nikita Shubin <nikita.shubin@maquefel.me>
Date: Thu, 13 Mar 2025 08:13:13 +0000 (+0300)
Subject: core: allow guse created gpiochip
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=refs%2Fheads%2Fnshubin%2Fguse-fix;p=qemu-gpiodev%2Flibgpiod.git

core: allow guse created gpiochip

Add this to check if device was created via guse and allow it.

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

diff --git a/lib/internal.c b/lib/internal.c
index 56cb8b9..546ab3c 100644
--- a/lib/internal.c
+++ b/lib/internal.c
@@ -63,13 +63,14 @@ bool gpiod_check_gpiochip_device(const char *path, bool set_errno)
 	 * perfectly normal when resolving paths), errno is not cleared.
 	 */
 	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/guse") == 0)
+		goto out_ok;
+	else if (strcmp(sysfsp, "/sys/bus/gpio") == 0)
+		goto out_ok;
+
+	errno = ENODEV;
+	goto out_free_sysfsp;
+out_ok:
 	ret = true;
 
 out_free_sysfsp: