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From:   Roberto Sassu <roberto.sassu@huawei.com>
To:     <zohar@linux.ibm.com>, <shuah@kernel.org>, <ast@kernel.org>,
        <daniel@iogearbox.net>, <andrii@kernel.org>, <kpsingh@kernel.org>,
        <revest@chromium.org>
CC:     <linux-integrity@vger.kernel.org>,
        <linux-security-module@vger.kernel.org>,
        <linux-kselftest@vger.kernel.org>, <netdev@vger.kernel.org>,
        <bpf@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Roberto Sassu <roberto.sassu@huawei.com>
Subject: [PATCH v2 5/6] bpf-lsm: Make bpf_lsm_kernel_read_file() as sleepable
Date:   Tue, 15 Feb 2022 13:40:41 +0100
Message-ID: <20220215124042.186506-6-roberto.sassu@huawei.com>
In-Reply-To: <20220215124042.186506-1-roberto.sassu@huawei.com>
References: <20220215124042.186506-1-roberto.sassu@huawei.com>
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Make bpf_lsm_kernel_read_file() as sleepable, so that bpf_ima_inode_hash()
or bpf_ima_file_hash() can be called inside the implementation of this
hook.

Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
---
 kernel/bpf/bpf_lsm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
index e8d27af5bbcc..064eccba641d 100644
--- a/kernel/bpf/bpf_lsm.c
+++ b/kernel/bpf/bpf_lsm.c
@@ -187,6 +187,7 @@ BTF_ID(func, bpf_lsm_inode_setxattr)
 BTF_ID(func, bpf_lsm_inode_symlink)
 BTF_ID(func, bpf_lsm_inode_unlink)
 BTF_ID(func, bpf_lsm_kernel_module_request)
+BTF_ID(func, bpf_lsm_kernel_read_file)
 BTF_ID(func, bpf_lsm_kernfs_init_security)
 
 #ifdef CONFIG_KEYS
-- 
2.32.0