From 36c5733f9570e9052a6437012be8034085f25ab7 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Fri, 4 Jan 2019 17:39:53 +0800 Subject: 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 Signed-off-by: Jaegeuk Kim --- fs/f2fs/sysfs.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/f2fs/sysfs.c') 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 @@ 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); -- cgit v1.2.3