summaryrefslogtreecommitdiffstats
path: root/sys/kern/uipc_socket2.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/kern/uipc_socket2.c')
-rw-r--r--sys/kern/uipc_socket2.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/uipc_socket2.c b/sys/kern/uipc_socket2.c
index dc1f4cb..305aaad 100644
--- a/sys/kern/uipc_socket2.c
+++ b/sys/kern/uipc_socket2.c
@@ -422,7 +422,9 @@ sbreserve(sb, cc, so, td)
* td will only be NULL when we're in an interrupt
* (e.g. in tcp_input())
*/
- if ((u_quad_t)cc > (u_quad_t)sb_max * MCLBYTES / (MSIZE + MCLBYTES))
+ if (sb_max < MSIZE + MCLBYTES)
+ sb_max = MSIZE + MCLBYTES;
+ if ((u_quad_t)cc > (u_quad_t)(MCLBYTES * (sb_max / (MSIZE + MCLBYTES))))
return (0);
if (!chgsbsize(so->so_cred->cr_uidinfo, &sb->sb_hiwat, cc,
td ? td->td_proc->p_rlimit[RLIMIT_SBSIZE].rlim_cur : RLIM_INFINITY)) {
OpenPOWER on IntegriCloud