[fs]: set errno correctly for ioctl()

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/fs.c b/fs/fs.c
index 3f0f1345fb..32fd802208 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -462,9 +462,10 @@ int ioctl(int fd, int request, void *buf)
 	fsdrv = (struct fs_driver_d *)dev->driver->type_data;
 
 	if (fsdrv->ioctl)
-		return fsdrv->ioctl(dev, f, request, buf);
-
-	return -ENOSYS;
+		errno = fsdrv->ioctl(dev, f, request, buf);
+	else
+		errno = -ENOSYS;
+	return errno;
 }
 
 int read(int fd, void *buf, size_t count)