X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/42055a338593d66f0abb6eeb6b03f0eaf4439f57..d315eda12f25ca2f72ca56b777a427c9ee7188e1:/src/src/transports/appendfile.c

diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index 760e96039..da5d8aa0a 100644
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -949,7 +949,7 @@ used = Ustrlen(deliver_out_buffer);
 
 /* Rewind the temporary file, and copy it over in chunks. */
 
-lseek(from_fd, 0 , SEEK_SET);
+if (lseek(from_fd, 0 , SEEK_SET) < 0) return DEFER;
 
 while (size > 0)
   {