diff options
Diffstat (limited to 'sys/kern/subr_sbuf.c')
| -rw-r--r-- | sys/kern/subr_sbuf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/subr_sbuf.c b/sys/kern/subr_sbuf.c index d7b57a5..58964fb 100644 --- a/sys/kern/subr_sbuf.c +++ b/sys/kern/subr_sbuf.c @@ -305,8 +305,8 @@ sbuf_drain(struct sbuf *s) SBUF_SETFLAG(s, SBUF_OVERFLOWED); return (s->s_error); } - - KASSERT(len > 0, ("Drain must either error or work!")); + KASSERT(len > 0 && len <= s->s_len, + ("Bad drain amount %d for sbuf %p", len, s)); s->s_len -= len; /* * Fast path for the expected case where all the data was |
