Subject: [PATCH 2/2] real_path: set errno when max number of symlinks is exceeded

From: Brandon Williams <[email-masked]>
Date: Mon, 9 Jan 2017 10:50:24 -0800

Set errno to ELOOP when the maximum number of symlinks is exceeded, as
would be done by other symlink-resolving functions.

Signed-off-by: Brandon Williams <[email-masked]>
---
 abspath.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/abspath.c b/abspath.c
index 0393213e5..fce40fddc 100644
--- a/abspath.c
+++ b/abspath.c
@@ -141,6 +141,8 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
 			strbuf_reset(&symlink);
 
 			if (num_symlinks++ > MAXSYMLINKS) {
+				errno = ELOOP;
+
 				if (die_on_error)
 					die("More than %d nested symlinks "
 					    "on path '%s'", MAXSYMLINKS, path);
-- 
2.11.0.390.gc69c2f50cf-goog