From: Anders Björklund <anders@psqr.se>
Date: Sun, 13 Nov 2016 15:50:50 +0000 (+0100)
Subject: Undefined: avoid null warning in tmp_unlink
X-Git-Tag: v3.3.4~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=03a296baf6834c8934addc92691cd86cf8655381;p=thirdparty%2Fccache.git

Undefined: avoid null warning in tmp_unlink

util.c:1468:6: runtime error: null pointer passed as argument 1, which is declared to never be null
---

diff --git a/ccache.c b/ccache.c
index c6b7b5d14..2c14795a0 100644
--- a/ccache.c
+++ b/ccache.c
@@ -1126,7 +1126,9 @@ to_cache(struct args *args)
 		if (tmp_cov) {
 			tmp_unlink(tmp_cov);
 		}
-		tmp_unlink(tmp_dwo);
+		if (tmp_dwo) {
+			tmp_unlink(tmp_dwo);
+		}
 		failed();
 	}
 	if (st.st_size != 0) {
@@ -1137,7 +1139,9 @@ to_cache(struct args *args)
 		if (tmp_cov) {
 			tmp_unlink(tmp_cov);
 		}
-		tmp_unlink(tmp_dwo);
+		if (tmp_dwo) {
+			tmp_unlink(tmp_dwo);
+		}
 		failed();
 	}
 	tmp_unlink(tmp_stdout);
@@ -1198,7 +1202,9 @@ to_cache(struct args *args)
 		if (tmp_cov) {
 			tmp_unlink(tmp_cov);
 		}
-		tmp_unlink(tmp_dwo);
+		if (tmp_dwo) {
+			tmp_unlink(tmp_dwo);
+		}
 
 		failed();
 	}