# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1471465806 -7200
# Node ID 5a667a3a3743c42a2ddebd094ee8cf26a3c486e5
# Parent  c6b9697066781895d23bb9dc9eabe4859c2c14aa
commit https://github.com/vim/vim/commit/bfd096d02087a10e8e2f4bdfb74e0435506fa8bb
Author: Bram Moolenaar <Bram@vim.org>
Date:   Wed Aug 17 22:29:09 2016 +0200

    patch 7.4.2225
    Problem:    Crash when placing a sign in a deleted buffer.
    Solution:   Check for missing buffer name. (Dominique Pelle). Add a test.

diff --git a/src/ex_cmds.c b/src/ex_cmds.c
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -7861,6 +7861,11 @@ ex_sign(exarg_T *eap)
 		{			/* ... not currently in a window */
 		    char_u	*cmd;
 
+		    if (buf->b_fname == NULL)
+		    {
+			EMSG(_("E934: Cannot jump to a buffer that does not have a name"));
+			return;
+		    }
 		    cmd = alloc((unsigned)STRLEN(buf->b_fname) + 25);
 		    if (cmd == NULL)
 			return;
diff --git a/src/testdir/test_signs.vim b/src/testdir/test_signs.vim
--- a/src/testdir/test_signs.vim
+++ b/src/testdir/test_signs.vim
@@ -181,3 +181,15 @@ func Test_sign_invalid_commands()
   call assert_fails('sign place 1 buffer=', 'E158:')
   call assert_fails('sign define Sign2 text=', 'E239:')
 endfunc
+
+func Test_sign_delete_buffer()
+  new
+  sign define Sign text=x
+  let bufnr = bufnr('%')
+  new
+  exe 'bd ' . bufnr
+  exe 'sign place 61 line=3 name=Sign buffer=' . bufnr
+  call assert_fails('sign jump 61 buffer=' . bufnr, 'E934:')
+  sign unplace 61
+  sign undefine Sign
+endfunc
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2225,
+/**/
     2224,
 /**/
     2223,