Zaef peak search: set an upper limit on the number of peaks

This avoids an apparently infinite loop with some corner case input.

1 files changed, 6 insertions, 0 deletions

diff --git a/libcrystfel/src/peaks.c b/libcrystfel/src/peaks.c
index 57d2c92e..837c00fc 100644
--- a/libcrystfel/src/peaks.c
+++ b/libcrystfel/src/peaks.c
@@ -404,6 +404,12 @@ static void search_peaks_in_panel(struct image *image, float threshold,
 		                  image, intensity, NULL);
 		nacc++;
 
+		if ( nacc > 10000 ) {
+			ERROR("Too many peaks!  Aborting peak seach "
+			      "for panel %s\n", p->name);
+			return;
+		}
+
 	}
 	}