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more readlink buffer size handling
[elogind.git]
/
udev
/
udev-node.c
diff --git
a/udev/udev-node.c
b/udev/udev-node.c
index 2a2c2cf0b46409de1af626d69032e5c7451b8d96..5c1b04b86c88bb150899c8c8e46d121379538c04 100644
(file)
--- a/
udev/udev-node.c
+++ b/
udev/udev-node.c
@@
-164,7
+164,7
@@
static int node_symlink(struct udev *udev, const char *node, const char *slink)
dbg(udev, "found existing symlink '%s'\n", slink);
len = readlink(slink, buf, sizeof(buf));
dbg(udev, "found existing symlink '%s'\n", slink);
len = readlink(slink, buf, sizeof(buf));
- if (len > 0) {
+ if (len > 0
&& len < (int)sizeof(buf)
) {
buf[len] = '\0';
if (strcmp(target, buf) == 0) {
info(udev, "preserve already existing symlink '%s' to '%s'\n",
buf[len] = '\0';
if (strcmp(target, buf) == 0) {
info(udev, "preserve already existing symlink '%s' to '%s'\n",