Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH] f2fs: check inject_rate validity during configuring | Date | Fri, 4 Jan 2019 17:39:53 +0800 |
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Type of inject_rate is unsigned int, let's check new value's validity during configuring.
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/sysfs.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 0575edbe3ed6..02d4012a9183 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -222,6 +222,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a, #ifdef CONFIG_F2FS_FAULT_INJECTION if (a->struct_type == FAULT_INFO_TYPE && t >= (1 << FAULT_MAX)) return -EINVAL; + if (a->struct_type == FAULT_INFO_RATE && t >= UINT_MAX) + return -EINVAL; #endif if (a->struct_type == RESERVED_BLOCKS) { spin_lock(&sbi->stat_lock); -- 2.18.0.rc1
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