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-rw-r--r--stdio-common/vfscanf.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index ec4a264d65..d2302dd9a2 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -85,6 +85,11 @@
 			  __libc_cleanup_end (0);			      \
 			  return EOF;					      \
 			} while (0)
+# define fmt_error()	do {						      \
+			  _IO_funlockfile (s);				      \
+			  __libc_cleanup_end (0);			      \
+			  return EOF;					      \
+			} while (0)
 # define ARGCHECK(s, format)						      \
   do									      \
     {									      \
@@ -129,6 +134,10 @@
 			  __set_errno (ENOMEM);				      \
 			  return EOF;					      \
 			} while (0)
+# define fmt_error()	do {						      \
+			  funlockfile (s);				      \
+			  return EOF;					      \
+			} while (0)
 # define ARGCHECK(s, format)						      \
   do									      \
     {									      \
@@ -1247,6 +1256,10 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
 	  number_signed = 0;
 	  read_pointer = 1;
 	  goto number;
+
+	default:
+	  /* If this is an unknown format character punt.  */
+	  fmt_error ();
 	}
     }