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| author | Ulrich Drepper <drepper@redhat.com> | 2000-07-13 18:40:43 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-07-13 18:40:43 +0000 |
| commit | 55465bd98789c10d259c31a757ea13c06e78233d (patch) | |
| tree | 269e3653d459dfba7b46fd84acd210a3ac345ee9 /malloc/mtrace.c | |
| parent | fe97f9746a967fa0f89dad54f59c143482af812d (diff) | |
| download | glibc-55465bd98789c10d259c31a757ea13c06e78233d.tar.gz glibc-55465bd98789c10d259c31a757ea13c06e78233d.tar.xz glibc-55465bd98789c10d259c31a757ea13c06e78233d.zip | |
(tr_freehook): Return immediately if ptr is NULL.
Diffstat (limited to 'malloc/mtrace.c')
| -rw-r--r-- | malloc/mtrace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/malloc/mtrace.c b/malloc/mtrace.c index 4e6e1e5efb..a812dd10f8 100644 --- a/malloc/mtrace.c +++ b/malloc/mtrace.c @@ -1,5 +1,5 @@ /* More debugging hooks for `malloc'. - Copyright (C) 1991,92,93,94,96,97,98,99 Free Software Foundation, Inc. + Copyright (C) 1991,92,93,94,96,97,98,99,2000 Free Software Foundation, Inc. Written April 2, 1991 by John Gilmore of Cygnus Support. Based on mcheck.c by Mike Haertel. @@ -127,6 +127,8 @@ tr_freehook (ptr, caller) __ptr_t ptr; const __ptr_t caller; { + if (ptr == NULL) + return; __libc_lock_lock (lock); tr_where (caller); /* Be sure to print it first. */ |