From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/fs/sysv/itree.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/kernel/fs/sysv/itree.c b/kernel/fs/sysv/itree.c
index bcb67b0..e3d1673 100644
--- a/kernel/fs/sysv/itree.c
+++ b/kernel/fs/sysv/itree.c
@@ -145,6 +145,10 @@
*/
parent = block_to_cpu(SYSV_SB(inode->i_sb), branch[n-1].key);
bh = sb_getblk(inode->i_sb, parent);
+ if (!bh) {
+ sysv_free_block(inode->i_sb, branch[n].key);
+ break;
+ }
lock_buffer(bh);
memset(bh->b_data, 0, blocksize);
branch[n].bh = bh;
@@ -438,7 +442,7 @@
res += blocks;
direct = 1;
}
- return blocks;
+ return res;
}
int sysv_getattr(const struct path *path, struct kstat *stat,
--
Gitblit v1.6.2