kconfig: Fix realloc usage()

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index dc5dcf2189a0..c0efe102d655 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -878,7 +878,7 @@ const char *sym_expand_string_value(const char *in)
                 newlen = strlen(res) + strlen(symval) + strlen(src);
                 if (newlen > reslen) {
                         reslen = newlen;
-                        realloc(res, reslen);
+                        res = realloc(res, reslen);
                 }
 
                 strcat(res, symval);