Messages in this thread Patch in this message | | | From | Yu Kuai <> | Subject | [PATCH v3 1/5] blk-iocost: check return value of match_u64() | Date | Mon, 26 Dec 2022 16:58:55 +0800 |
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From: Yu Kuai <yukuai3@huawei.com>
This patch fixs that the return value of match_u64() from ioc_qos_write() is not checked,
Signed-off-by: Yu Kuai <yukuai3@huawei.com> --- block/blk-iocost.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 549ddc9e0c6f..93b938517be3 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -3212,7 +3212,8 @@ static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input, switch (match_token(p, qos_ctrl_tokens, args)) { case QOS_ENABLE: - match_u64(&args[0], &v); + if (match_u64(&args[0], &v)) + goto einval; enable = v; continue; case QOS_CTRL: -- 2.31.1
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