diff options
| author | Quentin Young <qlyoung@cumulusnetworks.com> | 2017-06-14 14:06:01 +0000 |
|---|---|---|
| committer | Quentin Young <qlyoung@cumulusnetworks.com> | 2017-06-14 15:08:58 +0000 |
| commit | 6196c77a4f4facc2f6df34cdf2ce02f3d5f5083c (patch) | |
| tree | 212d558b903c3294b6d51150382ba6c4da685ff4 | |
| parent | 93f855c24a301bbebf4a9ce9f4b10d3edf217709 (diff) | |
zebra: fix divide-by-zero
x % 0 = FPE
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
| -rw-r--r-- | zebra/irdp_interface.c | 31 | ||||
| -rw-r--r-- | zebra/irdp_main.c | 3 |
2 files changed, 13 insertions, 21 deletions
diff --git a/zebra/irdp_interface.c b/zebra/irdp_interface.c index 5cabe7e62f..6ea14b3058 100644 --- a/zebra/irdp_interface.c +++ b/zebra/irdp_interface.c @@ -476,18 +476,14 @@ DEFUN (ip_irdp_minadvertinterval, zi=ifp->info; irdp=&zi->irdp; - if( (unsigned) atoi(argv[idx_number]->arg) <= irdp->MaxAdvertInterval) { + if((unsigned) atoi(argv[idx_number]->arg) < irdp->MaxAdvertInterval) { irdp->MinAdvertInterval = atoi(argv[idx_number]->arg); - return CMD_SUCCESS; } - - vty_out (vty, "ICMP warning maxadvertinterval is greater or equal than minadvertinterval%s", - VTY_NEWLINE); - - vty_out (vty, "Please correct!%s", - VTY_NEWLINE); - return CMD_WARNING; + else { + vty_out (vty, "%% MinAdvertInterval must be less than MaxAdvertInterval"); + return CMD_WARNING; + } } DEFUN (ip_irdp_maxadvertinterval, @@ -506,19 +502,14 @@ DEFUN (ip_irdp_maxadvertinterval, zi=ifp->info; irdp=&zi->irdp; - - if( irdp->MinAdvertInterval <= (unsigned) atoi(argv[idx_number]->arg) ) { - irdp->MaxAdvertInterval = atoi(argv[idx_number]->arg); - + if(irdp->MinAdvertInterval < (unsigned) atoi(argv[idx_number]->arg)) { + irdp->MaxAdvertInterval = atoi(argv[idx_number]->arg); return CMD_SUCCESS; } - - vty_out (vty, "ICMP warning maxadvertinterval is greater or equal than minadvertinterval%s", - VTY_NEWLINE); - - vty_out (vty, "Please correct!%s", - VTY_NEWLINE); - return CMD_WARNING; + else { + vty_out (vty, "%% MaxAdvertInterval must be greater than MinAdvertInterval"); + return CMD_WARNING; + } } /* DEFUN needs to be fixed for negative ranages... diff --git a/zebra/irdp_main.c b/zebra/irdp_main.c index 7fa4ad4cbe..8f1647c9db 100644 --- a/zebra/irdp_main.c +++ b/zebra/irdp_main.c @@ -234,7 +234,8 @@ int irdp_send_thread(struct thread *t_advert) } tmp = irdp->MaxAdvertInterval-irdp->MinAdvertInterval; - timer = (random () % tmp ) + 1; + assert (tmp > 0); + timer = (random () % tmp) + 1; timer = irdp->MinAdvertInterval + timer; if(irdp->irdp_sent < MAX_INITIAL_ADVERTISEMENTS && |
