git: 2f35419fb26d - main - stand/efihttp: Add device type check to efihttp_fs_open()

The branch main has been updated by dab:

URL: https://cgit.FreeBSD.org/src/commit/?id=2f35419fb26d1e45850696a8e732a12874bc1078

commit 2f35419fb26d1e45850696a8e732a12874bc1078
Author:     Yongbo Yao <Yongbo.Yao@dell.com>
AuthorDate: 2025-01-19 16:50:18 +0000
Commit:     David Bright <dab@FreeBSD.org>
CommitDate: 2025-01-19 17:00:26 +0000

    stand/efihttp: Add device type check to efihttp_fs_open()
    
    Ensure the open operation targets an HTTP device. Return EINVAL if
    not, to prevent potential system crashes when used on other devices.
    
    Differential Revision: https://reviews.freebsd.org/D48439
    Reviewed by: dab, imp, vangyzen
    Sponsored by: Dell Technologies
---
 stand/efi/libefi/efihttp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/stand/efi/libefi/efihttp.c b/stand/efi/libefi/efihttp.c
index bcc0f7e4d79e..fd0ed744047c 100644
--- a/stand/efi/libefi/efihttp.c
+++ b/stand/efi/libefi/efihttp.c
@@ -565,6 +565,8 @@ efihttp_fs_open(const char *path, struct open_file *f)
 
 	if (!efihttp_init_done)
 		return (ENXIO);
+	if (f->f_dev != &efihttp_dev)
+		return (EINVAL);
 	/*
 	 * If any path fails to open, try with a trailing slash in
 	 * case it's a directory.