Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
---
fs/nfsd/fault_inject.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index d620e7f..2ed05c3 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -97,25 +97,14 @@ static ssize_t fault_inject_read(struct file *file,
char __user *buf,
{
static u64 val;
char read_buf[25];
- size_t size, ret;
+ size_t size;
loff_t pos = *ppos;
if (!pos)
nfsd_inject_get(file_inode(file)->i_private, &val);
size = scnprintf(read_buf, sizeof(read_buf), "%llu\n", val);
- if (pos < 0)
- return -EINVAL;
- if (pos >= size || !len)
- return 0;
- if (len > size - pos)
- len = size - pos;
- ret = copy_to_user(buf, read_buf + pos, len);
- if (ret == len)
- return -EFAULT;
- len -= ret;
- *ppos = pos + len;
- return len;
+ return simple_read_from_buffer(buf, len, ppos, read_buf, size);
}
static ssize_t fault_inject_write(struct file *file, const char __user
*buf,
--
1.9.0
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
