From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/fs/ext2/ioctl.c | 21 ++++++++-------------
1 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/kernel/fs/ext2/ioctl.c b/kernel/fs/ext2/ioctl.c
index 0367c00..32a8d10 100644
--- a/kernel/fs/ext2/ioctl.c
+++ b/kernel/fs/ext2/ioctl.c
@@ -60,18 +60,10 @@
}
oldflags = ei->i_flags;
- /*
- * The IMMUTABLE and APPEND_ONLY flags can only be changed by
- * the relevant capability.
- *
- * This test looks nicer. Thanks to Pauline Middelink
- */
- if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
- if (!capable(CAP_LINUX_IMMUTABLE)) {
- inode_unlock(inode);
- ret = -EPERM;
- goto setflags_out;
- }
+ ret = vfs_ioc_setflags_prepare(inode, oldflags, flags);
+ if (ret) {
+ inode_unlock(inode);
+ goto setflags_out;
}
flags = flags & EXT2_FL_USER_MODIFIABLE;
@@ -153,10 +145,13 @@
if (ei->i_block_alloc_info){
struct ext2_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node;
rsv->rsv_goal_size = rsv_window_size;
+ } else {
+ ret = -ENOMEM;
}
+
mutex_unlock(&ei->truncate_mutex);
mnt_drop_write_file(filp);
- return 0;
+ return ret;
}
default:
return -ENOTTY;
--
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