Type of inject_rate is unsigned int, let's check new value's
validity during configuring.
Signed-off-by: Chao Yu <yuch...@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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