libiproute: fix buggy open check: s/if (fd)/if (fd >= 0)/

less: small optimization -15 bytes

2 files changed, 2 insertions, 4 deletions

diff --git a/miscutils/less.c b/miscutils/less.c
index 36d451271..27855bbe8 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -774,9 +774,7 @@ static void buffer_line(int linenum)
 static void open_file_and_read_lines(void)
 {
         if (filename) {
-                int fd = xopen(filename, O_RDONLY);
-                dup2(fd, 0);
-                if (fd) close(fd);
+                xmove_fd(xopen(filename, O_RDONLY), STDIN_FILENO);
         } else {
                 /* "less" with no arguments in argv[] */
                 /* For status line only */
diff --git a/networking/libiproute/ll_map.c b/networking/libiproute/ll_map.c
index 3412dc763..2ed7fbbb3 100644
--- a/networking/libiproute/ll_map.c
+++ b/networking/libiproute/ll_map.c
@@ -172,7 +172,7 @@ int xll_name_to_index(const char *const name)
 #endif
 
         sock_fd = socket(AF_INET, SOCK_DGRAM, 0);
-        if (sock_fd) {
+        if (sock_fd >= 0) {
                 struct ifreq ifr;
                 int tmp;