X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fxreadlink.c;h=932e487a59d718093cb29f9d4967d8dc504772e8;hb=95ebf618b78814ef250bf40737816784cdaef74d;hp=66f63b8838cfa4d47bb443f4f1d2d3687d1a3cff;hpb=8a633268ef478a31bd649d582ce07e9c26a4a03a;p=oweals%2Fbusybox.git

diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 66f63b883..932e487a5 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -1,5 +1,6 @@
 /*
- *  xreadlink.c - safe implementation of readlink
+ *  xreadlink.c - safe implementation of readlink.
+ *  Returns a NULL on failure...
  */
 
 #include <stdio.h>
@@ -22,8 +23,10 @@ extern char *xreadlink(const char *path)
 	do {
 		buf = xrealloc(buf, bufsize += GROWBY);
 		readsize = readlink(path, buf, bufsize); /* 1st try */
-		if (readsize == -1)
-			perror_msg("%s:%s", applet_name, path);
+		if (readsize == -1) {
+		    perror_msg("%s:%s", applet_name, path);
+		    return NULL;
+		}
 	}           
 	while (bufsize < readsize + 1);