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util_lookup_group(): fix memory leak if realloc() fails
author
Florian Zumbiehl
<florz@florz.de>
Sat, 29 Aug 2009 14:25:47 +0000
(16:25 +0200)
committer
Kay Sievers
<kay.sievers@vrfy.org>
Sat, 29 Aug 2009 14:25:47 +0000
(16:25 +0200)
libudev/libudev-util-private.c
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diff --git
a/libudev/libudev-util-private.c
b/libudev/libudev-util-private.c
index 5b5ecb1f503c788550b423e7722b6af223e4d6b6..b33ee79d6b4f110d7caae3f44955886322f6f360 100644
(file)
--- a/
libudev/libudev-util-private.c
+++ b/
libudev/libudev-util-private.c
@@
-154,9
+154,12
@@
gid_t util_lookup_group(struct udev *udev, const char *group)
buf = NULL;
gid = 0;
for (;;) {
- buf = realloc(buf, buflen);
- if (!buf)
+ char *newbuf;
+
+ newbuf = realloc(buf, buflen);
+ if (!newbuf)
break;
+ buf = newbuf;
errno = getgrnam_r(group, &grbuf, buf, buflen, &gr);
if (gr != NULL) {
gid = gr->gr_gid;