From: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
Set errno in open_file() if rolling_append(), which does not set errno,
failed, since transitive callers might rely on it.
Reported-by: clang-analyzer
Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
---
libselinux/src/label_file.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libselinux/src/label_file.c b/libselinux/src/label_file.c
index 40628e2c..b9c3be2a 100644
--- a/libselinux/src/label_file.c
+++ b/libselinux/src/label_file.c
@@ -563,8 +563,10 @@ static FILE *open_file(const char *path, const char *suffix,
/* This handles the case if suffix is null */
path = rolling_append(stack_path, fdetails[i].suffix,
sizeof(stack_path));
- if (!path)
+ if (!path) {
+ errno = ENOMEM;
return NULL;
+ }
rc = stat(path, &fdetails[i].sb);
if (rc)
--
2.45.2
