Merge branch 'ab/clang-lints' into maint-1.7.7

* ab/clang-lints:
  cast variable in call to free() in builtin/diff.c and submodule.c
  apply: get rid of useless x < 0 comparison on a size_t type

3 files changed, 2 insertions, 5 deletions

diff --git a/builtin/apply.c b/builtin/apply.c
index 311a94e181..082fe8f3e3 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -250,9 +250,6 @@ static int fuzzy_matchlines(const char *s1, size_t n1,
 	const char *last2 = s2 + n2 - 1;
 	int result = 0;
 
-	if (n1 < 0 || n2 < 0)
-		return 0;
-
 	/* ignore line endings */
 	while ((*last1 == '\r') || (*last1 == '\n'))
 		last1--;
diff --git a/builtin/diff.c b/builtin/diff.c
index 1118689fb2..0fe638fc45 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -182,7 +182,7 @@ static int builtin_diff_combined(struct rev_info *revs,
 		hashcpy((unsigned char *)(parent + i), ent[i].item->sha1);
 	diff_tree_combined(parent[0], parent + 1, ents - 1,
 			   revs->dense_combined_merges, revs);
-	free(parent);
+	free((void *)parent);
 	return 0;
 }
 
diff --git a/submodule.c b/submodule.c
index 0b709bc291..09a41b59be 100644
--- a/submodule.c
+++ b/submodule.c
@@ -391,7 +391,7 @@ static void commit_need_pushing(struct commit *commit, struct commit_list *paren
 	rev.diffopt.format_callback_data = needs_pushing;
 	diff_tree_combined(commit->object.sha1, parents, n, 1, &rev);
 
-	free(parents);
+	free((void *)parents);
 }
 
 int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remotes_name)