check for negative ranks in ompi_win_peer_invalid

jeffhammond · ggouaillardet · commit 5e8d2ed5e95e · 2017-04-13T11:01:50.000+09:00
resolves #3326 (#3326) Signed-off-by: jeff.r.hammond@intel.com (cherry picked from commit b3a2010)
diff --git a/ompi/win/win.h b/ompi/win/win.h
@@ -141,7 +141,7 @@ static inline int ompi_win_invalid(ompi_win_t *win) {
 }
 
 static inline int ompi_win_peer_invalid(ompi_win_t *win, int peer) {
-    if (win->w_group->grp_proc_count <= peer) return true;
+    if (win->w_group->grp_proc_count <= peer || peer < 0) return true;
     return false;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,7 @@ static inline int ompi_win_invalid(ompi_win_t *win) {`
`141`	`141`	`}`
`142`	`142`
`143`	`143`	`static inline int ompi_win_peer_invalid(ompi_win_t *win, int peer) {`
`144`		`- if (win->w_group->grp_proc_count <= peer) return true;`
	`144`	`+ if (win->w_group->grp_proc_count <= peer \|\| peer < 0) return true;`
`145`	`145`	`return false;`
`146`	`146`	`}`
`147`	`147`