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udev: fix memleak 

Fixes #18039.
This commit is contained in:
Yu Watanabe 2020-12-21 15:28:19 +09:00 committed by Frantisek Sumsal
parent 8786d4bbe4
commit 9df1e11e31
1 changed files with 2 additions and 1 deletions
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3
src/udev/udev-node.c
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@ -227,7 +227,7 @@ static size_t escape_path(const char *src, char *dest, size_t size) {
/* manage "stack of names" with possibly specified device priorities */
static int link_update(sd_device *dev, const char *slink, bool add) {
_cleanup_free_ char *target = NULL, *filename = NULL, *dirname = NULL;
_cleanup_free_ char *filename = NULL, *dirname = NULL;
char name_enc[PATH_MAX];
const char *id_filename;
int i, r, retries;
@ -270,6 +270,7 @@ static int link_update(sd_device *dev, const char *slink, bool add) {
retries = sd_device_get_is_initialized(dev) > 0 ? LINK_UPDATE_MAX_RETRIES : 1;
for (i = 0; i < retries; i++) {
_cleanup_free_ char *target = NULL;
struct stat st1 = {}, st2 = {};
r = stat(dirname, &st1);