udev: fix a few issues detected by the llvm static analyzer

[elogind.git] / src / udev / libudev-util-private.c

diff --git a/src/udev/libudev-util-private.c b/src/udev/libudev-util-private.c
index 2b2752bb54f24a84aecec695cb8aba660e55dd4a..44ff02cc331cdfafc40d9051be7ebff1df7a671f 100644 (file)
--- a/src/udev/libudev-util-private.c
+++ b/src/udev/libudev-util-private.c
@@ -143,14 +143,13 @@ gid_t util_lookup_group(struct udev *udev, const char *group)
         struct group *gr;
         gid_t gid = 0;
         size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
         struct group *gr;
         gid_t gid = 0;
         size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);

-        char *buf = alloca(buflen);
+        char *buf = NULL;

 
         if (strcmp(group, "root") == 0)
                 return 0;
         gid = strtoul(group, &endptr, 10);
         if (endptr[0] == '\0')
                 return gid;
 
         if (strcmp(group, "root") == 0)
                 return 0;
         gid = strtoul(group, &endptr, 10);
         if (endptr[0] == '\0')
                 return gid;

-        buf = NULL;

         gid = 0;
         for (;;) {
                 char *newbuf;
         gid = 0;
         for (;;) {
                 char *newbuf;