svn commit: r244399 - head/sys/dev/wtap
Monthadar Al Jaberi
monthadar at FreeBSD.org
Tue Dec 18 16:11:14 UTC 2012
Author: monthadar
Date: Tue Dec 18 16:11:13 2012
New Revision: 244399
URL: http://svnweb.freebsd.org/changeset/base/244399
Log:
wtap fix malloc/free.
* Remove malloc/free pointer cast;
* Check return value from malloc;
Submitted by: glebius
Approved by: adrian (mentor)
Modified:
head/sys/dev/wtap/if_wtap.c
Modified: head/sys/dev/wtap/if_wtap.c
==============================================================================
--- head/sys/dev/wtap/if_wtap.c Tue Dec 18 14:32:53 2012 (r244398)
+++ head/sys/dev/wtap/if_wtap.c Tue Dec 18 16:11:13 2012 (r244399)
@@ -326,8 +326,9 @@ wtap_vap_create(struct ieee80211com *ic,
DWTAP_PRINTF("%s\n", __func__);
- avp = (struct wtap_vap *) malloc(sizeof(struct wtap_vap),
- M_80211_VAP, M_NOWAIT | M_ZERO);
+ avp = malloc(sizeof(struct wtap_vap), M_80211_VAP, M_NOWAIT | M_ZERO);
+ if (avp == NULL)
+ return (NULL);
avp->id = sc->id;
avp->av_md = sc->sc_md;
avp->av_bcinterval = msecs_to_ticks(BEACON_INTRERVAL + 100*sc->id);
@@ -335,8 +336,8 @@ wtap_vap_create(struct ieee80211com *ic,
error = ieee80211_vap_setup(ic, vap, name, unit, IEEE80211_M_MBSS,
flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
if (error) {
- free((struct wtap_vap*) vap, M_80211_VAP);
- return NULL;
+ free(avp, M_80211_VAP);
+ return (NULL);
}
/* override various methods */
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