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vfs: extend vfs_removexattr locking

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This patch takes the i_mutex lock before security_inode_removexattr(),
instead of after, in preparation of calling ima_inode_removexattr().

Change-Id: I969fa5536599242a3403930379c49d733b1e1295
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
This commit is contained in:
Mimi Zohar
2020-09-23 17:32:08 +02:00
committed by Francescodario Cuzzocrea
parent 7ffc14e8a8
commit dfe8fd185a
1 changed files with 6 additions and 4 deletions
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fs/xattr.c
+6 -4
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@@ -296,11 +296,13 @@ vfs_removexattr(struct dentry *dentry, const char *name)
if (error)
return error;
error = security_inode_removexattr(dentry, name);
if (error)
return error;
mutex_lock(&inode->i_mutex);
error = security_inode_removexattr(dentry, name);
if (error) {
mutex_unlock(&inode->i_mutex);
return error;
}
error = inode->i_op->removexattr(dentry, name);
mutex_unlock(&inode->i_mutex);