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f2fs: check inject_rate validity during configuring 

Type of inject_rate is unsigned int, let's check new value's
validity during configuring.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Chao Yu 2019-01-04 17:39:53 +08:00 committed by Jaegeuk Kim
parent 8e11403876
commit 36c5733f95
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/sysfs.c
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@ -222,6 +222,8 @@ out:
#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);