(readchar): Extend BLOCK_INPUT block to ferror/clearerr.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lread.c b/src/lread.c
index 30aab7cce32..1f1ddddde4f 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -327,18 +327,18 @@ readchar (readcharfun)
     {
       BLOCK_INPUT;
       c = getc (instream);
-      UNBLOCK_INPUT;
 #ifdef EINTR
       /* Interrupted reads have been observed while reading over the network */
       while (c == EOF && ferror (instream) && errno == EINTR)
         {
+          UNBLOCK_INPUT;
           QUIT;
-          clearerr (instream);
           BLOCK_INPUT;
+          clearerr (instream);
           c = getc (instream);
-          UNBLOCK_INPUT;
         }
 #endif
+      UNBLOCK_INPUT;
       return c;
     }