diff options
| -rw-r--r-- | block/blk-integrity.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 24671d9f90a1..58760a6d6b22 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -247,8 +247,12 @@ static ssize_t flag_store(struct device *dev, struct device_attribute *attr, const char *page, size_t count, unsigned char flag) { struct blk_integrity *bi = dev_to_bi(dev); - char *p = (char *) page; - unsigned long val = simple_strtoul(p, &p, 10); + unsigned long val; + int err; + + err = kstrtoul(page, 10, &val); + if (err) + return err; if (val) bi->flags |= flag; |