fileops: check return value of `git_path_dirname`

0c28c72d · Patrick Steinhardt · dd0aa811 · 0c28c72d
Commit 0c28c72d authored Jun 06, 2017 by Patrick Steinhardt
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Showing with 6 additions and 2 deletions

src/fileops.c
+6 -2

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--- a/src/fileops.c
+++ b/src/fileops.c
@@ -1155,9 +1155,13 @@ int git_futils_fsync_dir(const char *path)

 int git_futils_fsync_parent(const char *path)
 {
-	char *parent = git_path_dirname(path);
-	int error = git_futils_fsync_dir(parent);
+	char *parent;
+	int error;
+
+	if ((parent = git_path_dirname(path)) == NULL)
+		return -1;

+	error = git_futils_fsync_dir(parent);
 	git__free(parent);
 	return error;
 }