cfgfile: remove unnecessary initialization

No need to initialize variable if it is immediately overwritten.
It is better style not do unnecessary initialization with modern
tools since it lets compiler and other static checkers detect
uninitialized data.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
index f8e7627..1ef2985 100644 (file)
--- a/lib/librte_cfgfile/rte_cfgfile.c
+++ b/lib/librte_cfgfile/rte_cfgfile.c
@@ -160,9 +160,9 @@ struct rte_cfgfile *
 rte_cfgfile_load_with_params(const char *filename, int flags,
                             const struct rte_cfgfile_parameters *params)
 {
-       char buffer[CFG_NAME_LEN + CFG_VALUE_LEN + 4] = {0};
+       char buffer[CFG_NAME_LEN + CFG_VALUE_LEN + 4];
        int lineno = 0;
-       struct rte_cfgfile *cfg = NULL;
+       struct rte_cfgfile *cfg;
 
        if (rte_cfgfile_check_params(params))
                return NULL;
@@ -174,7 +174,7 @@ rte_cfgfile_load_with_params(const char *filename, int flags,
        cfg = rte_cfgfile_create(flags);
 
        while (fgets(buffer, sizeof(buffer), f) != NULL) {
-               char *pos = NULL;
+               char *pos;
                size_t len = strnlen(buffer, sizeof(buffer));
                lineno++;
                if ((len >= sizeof(buffer) - 1) && (buffer[len-1] != '\n')) {
@@ -260,7 +260,7 @@ struct rte_cfgfile *
 rte_cfgfile_create(int flags)
 {
        int i;
-       struct rte_cfgfile *cfg = NULL;
+       struct rte_cfgfile *cfg;
 
        cfg = malloc(sizeof(*cfg));