diff options
Diffstat (limited to 'usr.sbin/iostat/iostat.c')
| -rw-r--r-- | usr.sbin/iostat/iostat.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/usr.sbin/iostat/iostat.c b/usr.sbin/iostat/iostat.c index bfcf773..6568824 100644 --- a/usr.sbin/iostat/iostat.c +++ b/usr.sbin/iostat/iostat.c @@ -285,8 +285,12 @@ main(int argc, char **argv) if ((num_devices = getnumdevs()) < 0) err(1, "can't get number of devices"); - cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); - last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); + if ((cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo))) == + NULL) + err(1, "devinfo malloc failed"); + if ((last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo))) == + NULL) + err(1, "devinfo malloc failed"); bzero(cur.dinfo, sizeof(struct devinfo)); bzero(last.dinfo, sizeof(struct devinfo)); @@ -305,7 +309,8 @@ main(int argc, char **argv) * If the user specified any devices on the command line, see if * they are in the list of devices we have now. */ - specified_devices = (char **)malloc(sizeof(char *)); + if ((specified_devices = (char **)malloc(sizeof(char *))) == NULL) + err(1, "specified_devices malloc failed"); for (num_devices_specified = 0; *argv; ++argv) { if (isdigit(**argv)) break; |
