From: Ziran Zhang <zhangcoder@yeah.net>
To: hirofumi@mail.parknet.co.jp
Cc: linux-kernel@vger.kernel.org, zhangcoder@yeah.net
Subject: [PATCH v2 v2] FAT: Allow 0xE9 near jump in fat_read_static_bpb()
Date: Sun, 12 Apr 2026 09:39:29 +0800 [thread overview]
Message-ID: <20260412013929.9000-1-zhangcoder@yeah.net> (raw)
In-Reply-To: <878qatmmh7.fsf@mail.parknet.co.jp>
> Looks like over 80 columns.
>
> if ((b->ignored[0] != 0xeb || b->ignored[2] != 0x90) &&
> (b->ignored[0] != 0xe9)) {
>
> or such please.
>
> Thanks.
Thank you for the review. I have fixed the line length and sent v2 patch.
Signed-off-by: Ziran Zhang <zhangcoder@yeah.net>
---
fs/fat/inode.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 28f78df08..0e7d106ea 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1479,8 +1479,9 @@ static int fat_read_static_bpb(struct super_block *sb,
int error = -EINVAL;
unsigned i;
- /* 16-bit DOS 1.x reliably wrote bootstrap short-jmp code */
- if (b->ignored[0] != 0xeb || b->ignored[2] != 0x90) {
+ /* 16-bit DOS 1.x reliably wrote bootstrap short-jmp or near-jmp code */
+ if ((b->ignored[0] != 0xeb || b->ignored[2] != 0x90) &&
+ (b->ignored[0] != 0xe9)) {
if (!silent)
fat_msg(sb, KERN_ERR,
"%s; no bootstrapping code", notdos1x);
--
2.43.0
next prev parent reply other threads:[~2026-04-12 1:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-11 8:01 [PATCH] FAT: Allow 0xE9 near jump in fat_read_static_bpb() Ziran Zhang
2026-04-11 17:32 ` OGAWA Hirofumi
2026-04-12 1:39 ` Ziran Zhang [this message]
2026-04-12 3:56 ` [PATCH v3] " Ziran Zhang
2026-04-12 6:21 ` OGAWA Hirofumi
2026-04-12 6:59 ` [PATCH v4] " Ziran Zhang
2026-04-12 7:37 ` OGAWA Hirofumi
2026-04-25 17:57 ` OGAWA Hirofumi
2026-05-04 16:35 ` OGAWA Hirofumi
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