From: Mikhail Malygin <m.malygin@xxxxxxxxx> This reverts commit 488dac0c9237647e9b8f788b6a342595bfa40bda. An established and documented [1] way of of configuring unlimited number of failures in fault-injection framework is to write -1: - /sys/kernel/debug/fail*/times: specifies how many times failures may happen at most. A value of -1 means "no limit". Commit 488dac0c92 inadverently breaks that. 1. https://www.kernel.org/doc/Documentation/fault-injection/fault-injection.txt Signed-off-by: Mikhail Malygin <m.malygin@xxxxxxxxx> Signef-off-by: Roman Bolshakov <r.bolshakov@xxxxxxxxx> --- fs/libfs.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/libfs.c b/fs/libfs.c index e2de5401abca..9bea71111299 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -961,7 +961,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct simple_attr *attr; - unsigned long long val; + u64 val; size_t size; ssize_t ret; @@ -979,9 +979,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf, goto out; attr->set_buf[size] = '\0'; - ret = kstrtoull(attr->set_buf, 0, &val); - if (ret) - goto out; + val = simple_strtoll(attr->set_buf, NULL, 0); ret = attr->set(attr->data, val); if (ret == 0) ret = len; /* on success, claim we got the whole input */ -- 2.24.3