Merge tag 'drm-misc-fixes-2020-12-03' of git://anongit.freedesktop.org/drm/drm-misc...

[linux-2.6-microblaze.git] / fs / libfs.c

diff --git a/fs/libfs.c b/fs/libfs.c
index fc34361..7124c2e 100644 (file)
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -959,7 +959,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
                          size_t len, loff_t *ppos)
 {
        struct simple_attr *attr;
-       u64 val;
+       unsigned long long val;
        size_t size;
        ssize_t ret;
 
@@ -977,7 +977,9 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
                goto out;
 
        attr->set_buf[size] = '\0';
-       val = simple_strtoll(attr->set_buf, NULL, 0);
+       ret = kstrtoull(attr->set_buf, 0, &val);
+       if (ret)
+               goto out;
        ret = attr->set(attr->data, val);
        if (ret == 0)
                ret = len; /* on success, claim we got the whole input */