diff options
Diffstat (limited to 'sysdeps/generic/ifreq.c')
| -rw-r--r-- | sysdeps/generic/ifreq.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/generic/ifreq.c b/sysdeps/generic/ifreq.c index da4db19e6f..55e833bdb3 100644 --- a/sysdeps/generic/ifreq.c +++ b/sysdeps/generic/ifreq.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>. @@ -43,11 +43,10 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) do { ifc.ifc_len = rq_len *= 2; - ifc.ifc_buf = realloc (ifc.ifc_buf, ifc.ifc_len); - if (ifc.ifc_buf == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0) + void *newp = realloc (ifc.ifc_buf, ifc.ifc_len); + if (newp == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0) { - if (ifc.ifc_buf) - free (ifc.ifc_buf); + free (ifc.ifc_buf); if (fd != sockfd) __close (fd); @@ -55,6 +54,7 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) *ifreqs = NULL; return; } + ifc.ifc_buf = newp; } while (rq_len < sizeof (struct ifreq) + ifc.ifc_len); |