Commit 7b7b0b90 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller

caif: handle snprintf() return

snprintf() returns the number of bytes that would have been written.  It
can be larger than the size of the buffer.  The current code won't
overflow, but people cut and paste this stuff so lets do it right and
also make the static checkers happy.
Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 652c6717
......@@ -165,6 +165,9 @@ static ssize_t dbgfs_state(struct file *file, char __user *user_buf,
len += snprintf((buf + len), (DEBUGFS_BUF_SIZE - len),
"Next RX len: %d\n", cfspi->rx_npck_len);
if (len > DEBUGFS_BUF_SIZE)
len = DEBUGFS_BUF_SIZE;
size = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
......
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